140137525250 has 64 divisors (see below), whose sum is σ = 269936196192. Its totient is φ = 54452320000.

The previous prime is 140137525247. The next prime is 140137525279. The reversal of 140137525250 is 52525731041.

It can be written as a sum of positive squares in 16 ways, for example, as 432764809 + 139704760441 = 20803^2 + 373771^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140137525250.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1285892 + ... + 1390608.

Almost surely, 2^140137525250 is an apocalyptic number.

140137525250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140137525250 is a deficient number, since it is larger than the sum of its proper divisors (129798670942).

140137525250 is a wasteful number, since it uses less digits than its factorization.

140137525250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104888 (or 104878 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 140137525250 in words is "one hundred forty billion, one hundred thirty-seven million, five hundred twenty-five thousand, two hundred fifty".