1380835597 has 18 divisors (see below), whose sum is σ = 1463409374. Its totient is φ = 1301950080.

The previous prime is 1380835579. The next prime is 1380835627. The reversal of 1380835597 is 7955380831.

It can be written as a sum of positive squares in 9 ways, for example, as 1165949316 + 214886281 = 34146^2 + 14659^2 .

It is not a de Polignac number, because 1380835597 - 2²³ = 1372446989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1380835597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380835537) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9267279 + ... + 9267427.

Almost surely, 2^1380835597 is an apocalyptic number.

It is an amenable number.

1380835597 is a deficient number, since it is larger than the sum of its proper divisors (82573777).

1380835597 is an frugal number, since it uses more digits than its factorization.

1380835597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 49.

The square root of 1380835597 is about 37159.5962975918. The cubic root of 1380835597 is about 1113.5609464371.

The spelling of 1380835597 in words is "one billion, three hundred eighty million, eight hundred thirty-five thousand, five hundred ninety-seven".