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136870959 = 3419108887
BaseRepresentation
bin10000010100001…
…11110000101111
3100112112202122210
420022013300233
5240014332314
621325341503
73251245461
oct1012076057
9315482583
10136870959
11702951a5
1239a07893
1322483044
141426c131
15c039559
hex8287c2f

136870959 has 8 divisors (see below), whose sum is σ = 182931840. Its totient is φ = 91028696.

The previous prime is 136870939. The next prime is 136870991. The reversal of 136870959 is 959078631.

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 136870959 - 28 = 136870703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136870939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53187 + ... + 55700.

It is an arithmetic number, because the mean of its divisors is an integer number (22866480).

Almost surely, 2136870959 is an apocalyptic number.

136870959 is a deficient number, since it is larger than the sum of its proper divisors (46060881).

136870959 is a wasteful number, since it uses less digits than its factorization.

136870959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109309.

The product of its (nonzero) digits is 408240, while the sum is 48.

The square root of 136870959 is about 11699.1862537529. The cubic root of 136870959 is about 515.3517677159.

It can be divided in two parts, 1368 and 70959, that added together give a palindrome (72327).

The spelling of 136870959 in words is "one hundred thirty-six million, eight hundred seventy thousand, nine hundred fifty-nine".

Divisors: 1 3 419 1257 108887 326661 45623653 136870959