130940725 has 18 divisors (see below), whose sum is σ = 169749986. Its totient is φ = 100188000.

The previous prime is 130940701. The next prime is 130940737. The reversal of 130940725 is 527049031.

It can be written as a sum of positive squares in 3 ways, for example, as 34939921 + 96000804 = 5911^2 + 9798^2 .

It is not a de Polignac number, because 130940725 - 2¹³ = 130932533 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8275 + ... + 18175.

Almost surely, 2^130940725 is an apocalyptic number.

It is an amenable number.

130940725 is a deficient number, since it is larger than the sum of its proper divisors (38809261).

130940725 is an equidigital number, since it uses as much as digits as its factorization.

130940725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9957 (or 9929 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 130940725 is about 11442.9334088773. The cubic root of 130940725 is about 507.7986949620.

Adding to 130940725 its reverse (527049031), we get a palindrome (657989756).

The spelling of 130940725 in words is "one hundred thirty million, nine hundred forty thousand, seven hundred twenty-five".