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134894813 = 1719417631
BaseRepresentation
bin10000000101001…
…01010011011101
3100101211100220012
420002211103131
5234013113223
621215133005
73225405224
oct1002452335
9311740805
10134894813
116a165519
1239214165
1321c40721
1413cb5cbb
15bc98c78
hex80a54dd

134894813 has 8 divisors (see below), whose sum is σ = 150347520. Its totient is φ = 120277440.

The previous prime is 134894807. The next prime is 134894819. The reversal of 134894813 is 318498431.

It is an interprime number because it is at equal distance from previous prime (134894807) and next prime (134894819).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134894813 - 222 = 130700509 is a prime.

It is a super-2 number, since 2×1348948132 = 36393221148609938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134894819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208493 + ... + 209138.

It is an arithmetic number, because the mean of its divisors is an integer number (18793440).

Almost surely, 2134894813 is an apocalyptic number.

It is an amenable number.

134894813 is a deficient number, since it is larger than the sum of its proper divisors (15452707).

134894813 is a wasteful number, since it uses less digits than its factorization.

134894813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417667.

The product of its digits is 82944, while the sum is 41.

The square root of 134894813 is about 11614.4226287836. The cubic root of 134894813 is about 512.8595143916.

The spelling of 134894813 in words is "one hundred thirty-four million, eight hundred ninety-four thousand, eight hundred thirteen".

Divisors: 1 17 19 323 417631 7099727 7934989 134894813