130815307 has 4 divisors (see below), whose sum is σ = 149503216. Its totient is φ = 112127400.

The previous prime is 130815271. The next prime is 130815337. The reversal of 130815307 is 703518031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 703518031 = 4513 ⋅155887.

It is not a de Polignac number, because 130815307 - 2¹⁵ = 130782539 is a prime.

It is a super-2 number, since 2×130815307² = 34225289091008498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130815337) 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, 9343944 + ... + 9343957.

It is an arithmetic number, because the mean of its divisors is an integer number (37375804).

Almost surely, 2^130815307 is an apocalyptic number.

130815307 is a deficient number, since it is larger than the sum of its proper divisors (18687909).

130815307 is an equidigital number, since it uses as much as digits as its factorization.

130815307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18687908.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 130815307 is about 11437.4519452542. The cubic root of 130815307 is about 507.6365161308.

The spelling of 130815307 in words is "one hundred thirty million, eight hundred fifteen thousand, three hundred seven".