140252312 has 16 divisors (see below), whose sum is σ = 278442360. Its totient is φ = 66001024.

The previous prime is 140252291. The next prime is 140252327. The reversal of 140252312 is 213252041.

It is a super-2 number, since 2×140252312² = 39341422042690688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515498 + ... + 515769.

Almost surely, 2^140252312 is an apocalyptic number.

It is an amenable number.

140252312 is a deficient number, since it is larger than the sum of its proper divisors (138190048).

140252312 is a wasteful number, since it uses less digits than its factorization.

140252312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031290 (or 1031286 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 140252312 is about 11842.8168946412. The cubic root of 140252312 is about 519.5611583538.

The spelling of 140252312 in words is "one hundred forty million, two hundred fifty-two thousand, three hundred twelve".