1380105597 has 64 divisors (see below), whose sum is σ = 2099091456. Its totient is φ = 800997120.

The previous prime is 1380105557. The next prime is 1380105599. The reversal of 1380105597 is 7955010831.

It is not a de Polignac number, because 1380105597 - 2⁶ = 1380105533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380105599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7977403 + ... + 7977575.

It is an arithmetic number, because the mean of its divisors is an integer number (32798304).

Almost surely, 2^1380105597 is an apocalyptic number.

It is an amenable number.

1380105597 is a deficient number, since it is larger than the sum of its proper divisors (718985859).

1380105597 is a wasteful number, since it uses less digits than its factorization.

1380105597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370.

The product of its (nonzero) digits is 37800, while the sum is 39.

The square root of 1380105597 is about 37149.7725026682. The cubic root of 1380105597 is about 1113.3646781327.

The spelling of 1380105597 in words is "one billion, three hundred eighty million, one hundred five thousand, five hundred ninety-seven".