130539991 has 8 divisors (see below), whose sum is σ = 142985520. Its totient is φ = 118624128.

The previous prime is 130539979. The next prime is 130540001. The reversal of 130539991 is 199935031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130539991 - 2²³ = 122151383 is a prime.

It is a super-4 number, since 4×130539991⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130539911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131901 + ... + 132886.

It is an arithmetic number, because the mean of its divisors is an integer number (17873190).

Almost surely, 2^130539991 is an apocalyptic number.

130539991 is a deficient number, since it is larger than the sum of its proper divisors (12445529).

130539991 is a wasteful number, since it uses less digits than its factorization.

130539991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264833.

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

The square root of 130539991 is about 11425.4098832383. The cubic root of 130539991 is about 507.2801393417.

The spelling of 130539991 in words is "one hundred thirty million, five hundred thirty-nine thousand, nine hundred ninety-one".