1313789125 has 16 divisors (see below), whose sum is σ = 1788666048. Its totient is φ = 955482000.

The previous prime is 1313789123. The next prime is 1313789159. The reversal of 1313789125 is 5219873131.

It is not a de Polignac number, because 1313789125 - 2¹ = 1313789123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313789123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 476367 + ... + 479116.

It is an arithmetic number, because the mean of its divisors is an integer number (111791628).

Almost surely, 2^1313789125 is an apocalyptic number.

It is an amenable number.

1313789125 is a deficient number, since it is larger than the sum of its proper divisors (474876923).

1313789125 is an equidigital number, since it uses as much as digits as its factorization.

1313789125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955509 (or 955499 counting only the distinct ones).

The product of its digits is 45360, while the sum is 40.

The square root of 1313789125 is about 36246.2291142127. The cubic root of 1313789125 is about 1095.2381278430.

The spelling of 1313789125 in words is "one billion, three hundred thirteen million, seven hundred eighty-nine thousand, one hundred twenty-five".