255136015 has 16 divisors (see below), whose sum is σ = 312975360. Its totient is φ = 199614240.

The previous prime is 255135967. The next prime is 255136019. The reversal of 255136015 is 510631552.

255136015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 255136015 - 2⁷ = 255135887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255136019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42256 + ... + 47914.

It is an arithmetic number, because the mean of its divisors is an integer number (19560960).

Almost surely, 2^255136015 is an apocalyptic number.

255136015 is a deficient number, since it is larger than the sum of its proper divisors (57839345).

255136015 is a wasteful number, since it uses less digits than its factorization.

255136015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5862.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 255136015 is about 15972.9776497684. The cubic root of 255136015 is about 634.2452976115.

Adding to 255136015 its reverse (510631552), we get a palindrome (765767567).

The spelling of 255136015 in words is "two hundred fifty-five million, one hundred thirty-six thousand, fifteen".