140642364 has 12 divisors (see below), whose sum is σ = 328165544. Its totient is φ = 46880784.

The previous prime is 140642353. The next prime is 140642407. The reversal of 140642364 is 463246041.

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

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, 5860087 + ... + 5860110.

Almost surely, 2^140642364 is an apocalyptic number.

It is an amenable number.

140642364 is an abundant number, since it is smaller than the sum of its proper divisors (187523180).

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

140642364 is a wasteful number, since it uses less digits than its factorization.

140642364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11720204 (or 11720202 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 140642364 is about 11859.2733335563. The cubic root of 140642364 is about 520.0423584824.

The spelling of 140642364 in words is "one hundred forty million, six hundred forty-two thousand, three hundred sixty-four".