251414135132 has 24 divisors (see below), whose sum is σ = 442005043200. Its totient is φ = 125127431856.

The previous prime is 251414135123. The next prime is 251414135143. The reversal of 251414135132 is 231531414152.

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, 2222969 + ... + 2333327.

It is an arithmetic number, because the mean of its divisors is an integer number (18416876800).

Almost surely, 2^251414135132 is an apocalyptic number.

It is an amenable number.

251414135132 is a deficient number, since it is larger than the sum of its proper divisors (190590908068).

251414135132 is a wasteful number, since it uses less digits than its factorization.

251414135132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112985 (or 112983 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

Adding to 251414135132 its reverse (231531414152), we get a palindrome (482945549284).

The spelling of 251414135132 in words is "two hundred fifty-one billion, four hundred fourteen million, one hundred thirty-five thousand, one hundred thirty-two".