1390936292 has 24 divisors (see below), whose sum is σ = 2474341632. Its totient is φ = 684028800.

The previous prime is 1390936291. The next prime is 1390936297. The reversal of 1390936292 is 2926390931.

It is not an unprimeable number, because it can be changed into a prime (1390936291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117317 + ... + 128627.

It is an arithmetic number, because the mean of its divisors is an integer number (103097568).

Almost surely, 2^1390936292 is an apocalyptic number.

It is an amenable number.

1390936292 is a deficient number, since it is larger than the sum of its proper divisors (1083405340).

1390936292 is a wasteful number, since it uses less digits than its factorization.

1390936292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11819 (or 11817 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 44.

The square root of 1390936292 is about 37295.2583045084. The cubic root of 1390936292 is about 1116.2695539403.

The spelling of 1390936292 in words is "one billion, three hundred ninety million, nine hundred thirty-six thousand, two hundred ninety-two".