130993915 has 16 divisors (see below), whose sum is σ = 169527456. Its totient is φ = 96595200.

The previous prime is 130993913. The next prime is 130993921. The reversal of 130993915 is 519399031.

It is not a de Polignac number, because 130993915 - 2¹ = 130993913 is a prime.

It is a super-3 number, since 3×130993915³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130993913) 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, 75255 + ... + 76975.

It is an arithmetic number, because the mean of its divisors is an integer number (10595466).

Almost surely, 2^130993915 is an apocalyptic number.

130993915 is a deficient number, since it is larger than the sum of its proper divisors (38533541).

130993915 is a wasteful number, since it uses less digits than its factorization.

130993915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2910.

The product of its (nonzero) digits is 32805, while the sum is 40.

The square root of 130993915 is about 11445.2573147134. The cubic root of 130993915 is about 507.8674440242.

The spelling of 130993915 in words is "one hundred thirty million, nine hundred ninety-three thousand, nine hundred fifteen".