1380872588 has 24 divisors (see below), whose sum is σ = 2486594880. Its totient is φ = 670597200.

The previous prime is 1380872573. The next prime is 1380872609. The reversal of 1380872588 is 8852780831.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8363 + ... + 53213.

It is an arithmetic number, because the mean of its divisors is an integer number (103608120).

Almost surely, 2^1380872588 is an apocalyptic number.

It is an amenable number.

1380872588 is a deficient number, since it is larger than the sum of its proper divisors (1105722292).

1380872588 is a wasteful number, since it uses less digits than its factorization.

1380872588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45077 (or 45075 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 50.

The square root of 1380872588 is about 37160.0940257153. The cubic root of 1380872588 is about 1113.5708900213.

The spelling of 1380872588 in words is "one billion, three hundred eighty million, eight hundred seventy-two thousand, five hundred eighty-eight".