153256131 has 40 divisors (see below), whose sum is σ = 264670560. Its totient is φ = 86562432.

The previous prime is 153256123. The next prime is 153256133. The reversal of 153256131 is 131652351.

153256131 is a `hidden beast` number, since 15 + 32 + 5 + 613 + 1 = 666.

It is not a de Polignac number, because 153256131 - 2³ = 153256123 is a prime.

It is a super-2 number, since 2×153256131² = 46974883378178322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 153256095 and 153256104.

It is not an unprimeable number, because it can be changed into a prime (153256133) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 48945 + ... + 51981.

It is an arithmetic number, because the mean of its divisors is an integer number (6616764).

Almost surely, 2^153256131 is an apocalyptic number.

153256131 is a deficient number, since it is larger than the sum of its proper divisors (111414429).

153256131 is an equidigital number, since it uses as much as digits as its factorization.

153256131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145 (or 3136 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 153256131 is about 12379.6660294210. Note that the first 3 decimals coincide. The cubic root of 153256131 is about 535.1464134750.

The spelling of 153256131 in words is "one hundred fifty-three million, two hundred fifty-six thousand, one hundred thirty-one".