1390439311415 has 64 divisors (see below), whose sum is σ = 2200423421952. Its totient is φ = 817724160000.

The previous prime is 1390439311411. The next prime is 1390439311441. The reversal of 1390439311415 is 5141139340931.

It is not a de Polignac number, because 1390439311415 - 2² = 1390439311411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390439311411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 429086 + ... + 1721915.

It is an arithmetic number, because the mean of its divisors is an integer number (34381615968).

Almost surely, 2^{1390439311415} is an apocalyptic number.

1390439311415 is a deficient number, since it is larger than the sum of its proper divisors (809984110537).

1390439311415 is a wasteful number, since it uses less digits than its factorization.

1390439311415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151120.

The product of its (nonzero) digits is 174960, while the sum is 44.

The spelling of 1390439311415 in words is "one trillion, three hundred ninety billion, four hundred thirty-nine million, three hundred eleven thousand, four hundred fifteen".