140660404 has 12 divisors (see below), whose sum is σ = 246277024. Its totient is φ = 70295544.

The previous prime is 140660393. The next prime is 140660413. The reversal of 140660404 is 404066041.

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, 1897 + ... + 16879.

Almost surely, 2^140660404 is an apocalyptic number.

It is an amenable number.

140660404 is a deficient number, since it is larger than the sum of its proper divisors (105616620).

140660404 is a wasteful number, since it uses less digits than its factorization.

140660404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17334 (or 17332 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 140660404 is about 11860.0338953984. The cubic root of 140660404 is about 520.0645925679.

The spelling of 140660404 in words is "one hundred forty million, six hundred sixty thousand, four hundred four".