140402915404 has 6 divisors (see below), whose sum is σ = 245705101964. Its totient is φ = 70201457700.

The previous prime is 140402915399. The next prime is 140402915407. The reversal of 140402915404 is 404519204041.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 140402915404.

It is not an unprimeable number, because it can be changed into a prime (140402915407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17550364422 + ... + 17550364429.

Almost surely, 2^140402915404 is an apocalyptic number.

It is an amenable number.

140402915404 is a deficient number, since it is larger than the sum of its proper divisors (105302186560).

140402915404 is a wasteful number, since it uses less digits than its factorization.

140402915404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35100728855 (or 35100728853 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 140402915404 in words is "one hundred forty billion, four hundred two million, nine hundred fifteen thousand, four hundred four".