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134806490 = 25713148139
BaseRepresentation
bin10000000100011…
…11101111011010
3100101122212201222
420002033233122
5234002301430
621213212042
73224556560
oct1002175732
9311585658
10134806490
116a105125
1239191022
1321c0c470
1413c91a30
15bc7c9e5
hex808fbda

134806490 has 32 divisors (see below), whose sum is σ = 298650240. Its totient is φ = 42663744.

The previous prime is 134806489. The next prime is 134806537. The reversal of 134806490 is 94608431.

134806490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1348064902 = 36345579492240200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 134806490.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73160 + ... + 74979.

It is an arithmetic number, because the mean of its divisors is an integer number (9332820).

Almost surely, 2134806490 is an apocalyptic number.

134806490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134806490 is an abundant number, since it is smaller than the sum of its proper divisors (163843750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134806490 is a wasteful number, since it uses less digits than its factorization.

134806490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148166.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 134806490 is about 11610.6197078364. The cubic root of 134806490 is about 512.7475575770.

The spelling of 134806490 in words is "one hundred thirty-four million, eight hundred six thousand, four hundred ninety".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 148139 296278 740695 1036973 1481390 1925807 2073946 3851614 5184865 9629035 10369730 13480649 19258070 26961298 67403245 134806490