1390260597 has 12 divisors (see below), whose sum is σ = 2037517440. Its totient is φ = 842581960.

The previous prime is 1390260593. The next prime is 1390260631. The reversal of 1390260597 is 7950620931.

It is not a de Polignac number, because 1390260597 - 2² = 1390260593 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390260593) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1914597 + ... + 1915322.

It is an arithmetic number, because the mean of its divisors is an integer number (169793120).

Almost surely, 2^1390260597 is an apocalyptic number.

It is an amenable number.

1390260597 is a deficient number, since it is larger than the sum of its proper divisors (647256843).

1390260597 is a wasteful number, since it uses less digits than its factorization.

1390260597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3829944 (or 3829933 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 42.

The square root of 1390260597 is about 37286.1984787937. The cubic root of 1390260597 is about 1116.0887692586.

The spelling of 1390260597 in words is "one billion, three hundred ninety million, two hundred sixty thousand, five hundred ninety-seven".