254136427144 has 16 divisors (see below), whose sum is σ = 476511966720. Its totient is φ = 127066569360.

The previous prime is 254136427141. The next prime is 254136427169. The reversal of 254136427144 is 441724631452.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 254136427144.

It is not an unprimeable number, because it can be changed into a prime (254136427141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 671529 + ... + 979399.

It is an arithmetic number, because the mean of its divisors is an integer number (29781997920).

Almost surely, 2^254136427144 is an apocalyptic number.

It is an amenable number.

254136427144 is a deficient number, since it is larger than the sum of its proper divisors (222375539576).

254136427144 is a wasteful number, since it uses less digits than its factorization.

254136427144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411060 (or 411056 counting only the distinct ones).

The product of its digits is 645120, while the sum is 43.

The spelling of 254136427144 in words is "two hundred fifty-four billion, one hundred thirty-six million, four hundred twenty-seven thousand, one hundred forty-four".