140664396 has 12 divisors (see below), whose sum is σ = 328216952. Its totient is φ = 46888128.

The previous prime is 140664371. The next prime is 140664421. The reversal of 140664396 is 693466041.

It is an interprime number because it is at equal distance from previous prime (140664371) and next prime (140664421).

It is a tau number, because it is divible by the number of its divisors (12).

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, 5861005 + ... + 5861028.

Almost surely, 2^140664396 is an apocalyptic number.

It is an amenable number.

140664396 is an abundant number, since it is smaller than the sum of its proper divisors (187552556).

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

140664396 is a wasteful number, since it uses less digits than its factorization.

140664396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11722040 (or 11722038 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 140664396 is about 11860.2021905194. The cubic root of 140664396 is about 520.0695124036.

The spelling of 140664396 in words is "one hundred forty million, six hundred sixty-four thousand, three hundred ninety-six".