255140636 has 12 divisors (see below), whose sum is σ = 446742912. Its totient is φ = 127499808.

The previous prime is 255140617. The next prime is 255140647. The reversal of 255140636 is 636041552.

255140636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9020 + ... + 24323.

It is an arithmetic number, because the mean of its divisors is an integer number (37228576).

Almost surely, 2^255140636 is an apocalyptic number.

It is an amenable number.

255140636 is a deficient number, since it is larger than the sum of its proper divisors (191602276).

255140636 is a wasteful number, since it uses less digits than its factorization.

255140636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35260 (or 35258 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 255140636 is about 15973.1222996633. The cubic root of 255140636 is about 634.2491267192.

The spelling of 255140636 in words is "two hundred fifty-five million, one hundred forty thousand, six hundred thirty-six".