130529615 has 4 divisors (see below), whose sum is σ = 156635544. Its totient is φ = 104423688.

The previous prime is 130529603. The next prime is 130529617. The reversal of 130529615 is 516925031.

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 130529615 - 2⁸ = 130529359 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 (130529617) 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, 13052957 + ... + 13052966.

It is an arithmetic number, because the mean of its divisors is an integer number (39158886).

Almost surely, 2^130529615 is an apocalyptic number.

130529615 is a deficient number, since it is larger than the sum of its proper divisors (26105929).

130529615 is an equidigital number, since it uses as much as digits as its factorization.

130529615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26105928.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 130529615 is about 11424.9557986016. The cubic root of 130529615 is about 507.2666985609.

The spelling of 130529615 in words is "one hundred thirty million, five hundred twenty-nine thousand, six hundred fifteen".