1390376715 has 48 divisors (see below), whose sum is σ = 2786884128. Its totient is φ = 586704384.

The previous prime is 1390376683. The next prime is 1390376759. The reversal of 1390376715 is 5176730931.

It is not a de Polignac number, because 1390376715 - 2⁵ = 1390376683 is a prime.

It is a super-2 number, since 2×1390376715² = 3866294819228382450, which contains 22 as substring.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 63202 + ... + 82311.

It is an arithmetic number, because the mean of its divisors is an integer number (58060086).

Almost surely, 2^1390376715 is an apocalyptic number.

1390376715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1390376715 is an abundant number, since it is smaller than the sum of its proper divisors (1396507413).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1390376715 is a wasteful number, since it uses less digits than its factorization.

1390376715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145548 (or 145541 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 42.

The square root of 1390376715 is about 37287.7555639918. The cubic root of 1390376715 is about 1116.1198412240.

The spelling of 1390376715 in words is "one billion, three hundred ninety million, three hundred seventy-six thousand, seven hundred fifteen".