1392091374 has 16 divisors (see below), whose sum is σ = 2848931712. Its totient is φ = 453238968.

The previous prime is 1392091357. The next prime is 1392091397. The reversal of 1392091374 is 4731902931.

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 7 ways as a sum of consecutive naturals, for example, 2697594 + ... + 2698109.

It is an arithmetic number, because the mean of its divisors is an integer number (178058232).

Almost surely, 2^1392091374 is an apocalyptic number.

1392091374 is an abundant number, since it is smaller than the sum of its proper divisors (1456840338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1392091374 is a wasteful number, since it uses less digits than its factorization.

1392091374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5395751.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 1392091374 is about 37310.7407323950. The cubic root of 1392091374 is about 1116.5784648336.

The spelling of 1392091374 in words is "one billion, three hundred ninety-two million, ninety-one thousand, three hundred seventy-four".