1390164676 has 24 divisors (see below), whose sum is σ = 2472803424. Its totient is φ = 683722560.

The previous prime is 1390164661. The next prime is 1390164683. The reversal of 1390164676 is 6764610931.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68371 + ... + 86341.

It is an arithmetic number, because the mean of its divisors is an integer number (103033476).

Almost surely, 2^1390164676 is an apocalyptic number.

It is an amenable number.

1390164676 is a deficient number, since it is larger than the sum of its proper divisors (1082638748).

1390164676 is a wasteful number, since it uses less digits than its factorization.

1390164676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18291 (or 18289 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 1390164676 is about 37284.9121763750. The cubic root of 1390164676 is about 1116.0631004947.

The spelling of 1390164676 in words is "one billion, three hundred ninety million, one hundred sixty-four thousand, six hundred seventy-six".