1402143772 has 12 divisors (see below), whose sum is σ = 2456067376. Its totient is φ = 700410240.

The previous prime is 1402143763. The next prime is 1402143793. The reversal of 1402143772 is 2773412041.

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, 160629 + ... + 169132.

Almost surely, 2^1402143772 is an apocalyptic number.

It is an amenable number.

1402143772 is a deficient number, since it is larger than the sum of its proper divisors (1053923604).

1402143772 is a wasteful number, since it uses less digits than its factorization.

1402143772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330828 (or 330826 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 1402143772 is about 37445.2102678033. The cubic root of 1402143772 is about 1119.2596542171.

The spelling of 1402143772 in words is "one billion, four hundred two million, one hundred forty-three thousand, seven hundred seventy-two".