254136427155 has 80 divisors (see below), whose sum is σ = 493617912480. Its totient is φ = 124345331712.

The previous prime is 254136427141. The next prime is 254136427169. The reversal of 254136427155 is 551724631452.

254136427155 is a `hidden beast` number, since 2 + 5 + 41 + 36 + 427 + 155 = 666.

It is an interprime number because it is at equal distance from previous prime (254136427141) and next prime (254136427169).

It is not a de Polignac number, because 254136427155 - 2¹⁷ = 254136296083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 254136427155.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 710131 + ... + 1006259.

It is an arithmetic number, because the mean of its divisors is an integer number (6170223906).

Almost surely, 2^254136427155 is an apocalyptic number.

254136427155 is a deficient number, since it is larger than the sum of its proper divisors (239481485325).

254136427155 is a wasteful number, since it uses less digits than its factorization.

254136427155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296322 (or 296313 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The spelling of 254136427155 in words is "two hundred fifty-four billion, one hundred thirty-six million, four hundred twenty-seven thousand, one hundred fifty-five".