140172251252 has 96 divisors (see below), whose sum is σ = 283245621120. Its totient is φ = 60028231680.

The previous prime is 140172251249. The next prime is 140172251267. The reversal of 140172251252 is 252152271041.

It is a congruent number.

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, 214658558 + ... + 214659210.

It is an arithmetic number, because the mean of its divisors is an integer number (2950475220).

Almost surely, 2^140172251252 is an apocalyptic number.

It is an amenable number.

140172251252 is an abundant number, since it is smaller than the sum of its proper divisors (143073369868).

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

140172251252 is a wasteful number, since it uses less digits than its factorization.

140172251252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713 (or 1711 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The spelling of 140172251252 in words is "one hundred forty billion, one hundred seventy-two million, two hundred fifty-one thousand, two hundred fifty-two".