1390000012515 has 32 divisors (see below), whose sum is σ = 2505915532800. Its totient is φ = 730892020320.

The previous prime is 1390000012501. The next prime is 1390000012529. The reversal of 1390000012515 is 5152100000931.

1390000012515 is a `hidden beast` number, since 139 + 0 + 0 + 0 + 0 + 0 + 12 + 515 = 666.

It is an interprime number because it is at equal distance from previous prime (1390000012501) and next prime (1390000012529).

It is not a de Polignac number, because 1390000012515 - 2⁶ = 1390000012451 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72499545 + ... + 72518714.

It is an arithmetic number, because the mean of its divisors is an integer number (78309860400).

Almost surely, 2^{1390000012515} is an apocalyptic number.

1390000012515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1390000012515 is a deficient number, since it is larger than the sum of its proper divisors (1115915520285).

1390000012515 is a wasteful number, since it uses less digits than its factorization.

1390000012515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145018344 (or 145018338 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The spelling of 1390000012515 in words is "one trillion, three hundred ninety billion, twelve thousand, five hundred fifteen".