153256136685 has 16 divisors (see below), whose sum is σ = 245255466816. Its totient is φ = 81721390208.

The previous prime is 153256136669. The next prime is 153256136687. The reversal of 153256136685 is 586631652351.

It is a cyclic number.

It is not a de Polignac number, because 153256136685 - 2⁴ = 153256136669 is a prime.

It is a super-2 number, since 2×153256136685² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153256136687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 867504 + ... + 1029113.

It is an arithmetic number, because the mean of its divisors is an integer number (15328466676).

Almost surely, 2^153256136685 is an apocalyptic number.

153256136685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

153256136685 is a deficient number, since it is larger than the sum of its proper divisors (91999330131).

153256136685 is a wasteful number, since it uses less digits than its factorization.

153256136685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902012.

The product of its digits is 3888000, while the sum is 51.

It can be divided in two parts, 153256 and 136685, that added together give a triangular number (289941 = T₇₆₁).

The spelling of 153256136685 in words is "one hundred fifty-three billion, two hundred fifty-six million, one hundred thirty-six thousand, six hundred eighty-five".