140931604 has 48 divisors (see below), whose sum is σ = 274974336. Its totient is φ = 63191040.

The previous prime is 140931587. The next prime is 140931613. The reversal of 140931604 is 406139041.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 548244 + ... + 548500.

It is an arithmetic number, because the mean of its divisors is an integer number (5728632).

Almost surely, 2^140931604 is an apocalyptic number.

It is an amenable number.

140931604 is a deficient number, since it is larger than the sum of its proper divisors (134042732).

140931604 is a wasteful number, since it uses less digits than its factorization.

140931604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 140931604 is about 11871.4617465584. The cubic root of 140931604 is about 520.3986144758.

The spelling of 140931604 in words is "one hundred forty million, nine hundred thirty-one thousand, six hundred four".