250713138140 has 24 divisors (see below), whose sum is σ = 526553812512. Its totient is φ = 100274546240.

The previous prime is 250713138127. The next prime is 250713138161. The reversal of 250713138140 is 41831317052.

It is a self number, because there is not a number n which added to its sum of digits gives 250713138140.

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, 475979 + ... + 853218.

It is an arithmetic number, because the mean of its divisors is an integer number (21939742188).

Almost surely, 2^250713138140 is an apocalyptic number.

250713138140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250713138140 is an abundant number, since it is smaller than the sum of its proper divisors (275840674372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

250713138140 is a wasteful number, since it uses less digits than its factorization.

250713138140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338637 (or 1338635 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 250713138140 in words is "two hundred fifty billion, seven hundred thirteen million, one hundred thirty-eight thousand, one hundred forty".