256024136102 has 16 divisors (see below), whose sum is σ = 450760642080. Its totient is φ = 106759099008.

The previous prime is 256024136087. The next prime is 256024136129. The reversal of 256024136102 is 201631420652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247127027 + ... + 247128062.

It is an arithmetic number, because the mean of its divisors is an integer number (28172540130).

Almost surely, 2^256024136102 is an apocalyptic number.

256024136102 is a deficient number, since it is larger than the sum of its proper divisors (194736505978).

256024136102 is a wasteful number, since it uses less digits than its factorization.

256024136102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494255135.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 256024136102 its reverse (201631420652), we get a palindrome (457655556754).

The spelling of 256024136102 in words is "two hundred fifty-six billion, twenty-four million, one hundred thirty-six thousand, one hundred two".