130371999 has 4 divisors (see below), whose sum is σ = 173829336. Its totient is φ = 86914664.

The previous prime is 130371991. The next prime is 130372007. The reversal of 130371999 is 999173031.

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

It is an interprime number because it is at equal distance from previous prime (130371991) and next prime (130372007).

It is a cyclic number.

It is not a de Polignac number, because 130371999 - 2³ = 130371991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130371999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130371991) 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, 21728664 + ... + 21728669.

It is an arithmetic number, because the mean of its divisors is an integer number (43457334).

Almost surely, 2^130371999 is an apocalyptic number.

130371999 is a deficient number, since it is larger than the sum of its proper divisors (43457337).

130371999 is an equidigital number, since it uses as much as digits as its factorization.

130371999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43457336.

The product of its (nonzero) digits is 45927, while the sum is 42.

The square root of 130371999 is about 11418.0558327589. The cubic root of 130371999 is about 507.0624395476.

The spelling of 130371999 in words is "one hundred thirty million, three hundred seventy-one thousand, nine hundred ninety-nine".