130704531 has 4 divisors (see below), whose sum is σ = 174272712. Its totient is φ = 87136352.

The previous prime is 130704527. The next prime is 130704533. The reversal of 130704531 is 135407031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130704531 - 2² = 130704527 is a prime.

It is a super-2 number, since 2×130704531² = 34167348847859922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130704533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21784086 + ... + 21784091.

It is an arithmetic number, because the mean of its divisors is an integer number (43568178).

Almost surely, 2^130704531 is an apocalyptic number.

130704531 is a deficient number, since it is larger than the sum of its proper divisors (43568181).

130704531 is an equidigital number, since it uses as much as digits as its factorization.

130704531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43568180.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 130704531 is about 11432.6082325950. The cubic root of 130704531 is about 507.4931847306.

The spelling of 130704531 in words is "one hundred thirty million, seven hundred four thousand, five hundred thirty-one".