1580138136 has 48 divisors (see below), whose sum is σ = 4291733160. Its totient is φ = 525212160.

The previous prime is 1580138101. The next prime is 1580138179. The reversal of 1580138136 is 6318310851.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1580138136.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5670 + ... + 56501.

Almost surely, 2^1580138136 is an apocalyptic number.

It is an amenable number.

1580138136 is an abundant number, since it is smaller than the sum of its proper divisors (2711595024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1580138136 is a wasteful number, since it uses less digits than its factorization.

1580138136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62536 (or 62529 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 1580138136 is about 39750.9513848411. The cubic root of 1580138136 is about 1164.7472263147.

Adding to 1580138136 its reverse (6318310851), we get a palindrome (7898448987).

The spelling of 1580138136 in words is "one billion, five hundred eighty million, one hundred thirty-eight thousand, one hundred thirty-six".