255136874 has 8 divisors (see below), whose sum is σ = 382872420. Its totient is φ = 127512736.

The previous prime is 255136873. The next prime is 255136897. The reversal of 255136874 is 478631552.

255136874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 211906249 + 43230625 = 14557^2 + 6575^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (255136873) 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, 21869 + ... + 31440.

Almost surely, 2^255136874 is an apocalyptic number.

255136874 is a deficient number, since it is larger than the sum of its proper divisors (127735546).

255136874 is a wasteful number, since it uses less digits than its factorization.

255136874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55704.

The product of its digits is 201600, while the sum is 41.

The square root of 255136874 is about 15973.0045389088. The cubic root of 255136874 is about 634.2460094097.

The spelling of 255136874 in words is "two hundred fifty-five million, one hundred thirty-six thousand, eight hundred seventy-four".