140536312 has 48 divisors (see below), whose sum is σ = 322677000. Its totient is φ = 57056832.

The previous prime is 140536309. The next prime is 140536321. The reversal of 140536312 is 213635041.

It is a super-2 number, since 2×140536312² = 39500909981122688, 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 11 ways as a sum of consecutive naturals, for example, 1987 + ... + 16882.

Almost surely, 2^140536312 is an apocalyptic number.

It is an amenable number.

140536312 is an abundant number, since it is smaller than the sum of its proper divisors (182140688).

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

140536312 is a wasteful number, since it uses less digits than its factorization.

140536312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18908 (or 18897 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 140536312 is about 11854.8012214461. The cubic root of 140536312 is about 519.9116121959.

The spelling of 140536312 in words is "one hundred forty million, five hundred thirty-six thousand, three hundred twelve".