1390302092 has 12 divisors (see below), whose sum is σ = 2576148120. Its totient is φ = 654259776.

The previous prime is 1390302077. The next prime is 1390302097. The reversal of 1390302092 is 2902030931.

It is not an unprimeable number, because it can be changed into a prime (1390302097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10222742 + ... + 10222877.

It is an arithmetic number, because the mean of its divisors is an integer number (214679010).

Almost surely, 2^1390302092 is an apocalyptic number.

It is an amenable number.

1390302092 is a deficient number, since it is larger than the sum of its proper divisors (1185846028).

1390302092 is a wasteful number, since it uses less digits than its factorization.

1390302092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20445640 (or 20445638 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 1390302092 is about 37286.7549137760. The cubic root of 1390302092 is about 1116.0998730864.

The spelling of 1390302092 in words is "one billion, three hundred ninety million, three hundred two thousand, ninety-two".