1390316553939 has 8 divisors (see below), whose sum is σ = 1853902941840. Its totient is φ = 926803934336.

The previous prime is 1390316553937. The next prime is 1390316553943. The reversal of 1390316553939 is 9393556130931.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1390316553939 - 2¹ = 1390316553937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1390316553937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18398082 + ... + 18473495.

It is an arithmetic number, because the mean of its divisors is an integer number (231737867730).

Almost surely, 2^{1390316553939} is an apocalyptic number.

1390316553939 is a deficient number, since it is larger than the sum of its proper divisors (463586387901).

1390316553939 is a wasteful number, since it uses less digits than its factorization.

1390316553939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36884149.

The product of its (nonzero) digits is 8857350, while the sum is 57.

The spelling of 1390316553939 in words is "one trillion, three hundred ninety billion, three hundred sixteen million, five hundred fifty-three thousand, nine hundred thirty-nine".