1390992116 has 12 divisors (see below), whose sum is σ = 2435530020. Its totient is φ = 695126400.

The previous prime is 1390992107. The next prime is 1390992121. The reversal of 1390992116 is 6112990931.

It can be written as a sum of positive squares in 2 ways, for example, as 742780516 + 648211600 = 27254^2 + 25460^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83861 + ... + 99068.

It is an arithmetic number, because the mean of its divisors is an integer number (202960835).

Almost surely, 2^1390992116 is an apocalyptic number.

It is an amenable number.

1390992116 is a deficient number, since it is larger than the sum of its proper divisors (1044537904).

1390992116 is a wasteful number, since it uses less digits than its factorization.

1390992116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184834 (or 184832 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 41.

The square root of 1390992116 is about 37296.0067031311. The cubic root of 1390992116 is about 1116.2844872382.

The spelling of 1390992116 in words is "one billion, three hundred ninety million, nine hundred ninety-two thousand, one hundred sixteen".