1390594365 has 16 divisors (see below), whose sum is σ = 2472168000. Its totient is φ = 741650256.

The previous prime is 1390594357. The next prime is 1390594393. The reversal of 1390594365 is 5634950931.

1390594365 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1390594365 - 2³ = 1390594357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1390594365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5150215 + ... + 5150484.

It is an arithmetic number, because the mean of its divisors is an integer number (154510500).

Almost surely, 2^1390594365 is an apocalyptic number.

1390594365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1390594365 is a deficient number, since it is larger than the sum of its proper divisors (1081573635).

1390594365 is a wasteful number, since it uses less digits than its factorization.

1390594365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10300713 (or 10300707 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 45.

The square root of 1390594365 is about 37290.6739681653. The cubic root of 1390594365 is about 1116.1780774335.

The spelling of 1390594365 in words is "one billion, three hundred ninety million, five hundred ninety-four thousand, three hundred sixty-five".