130565994 has 16 divisors (see below), whose sum is σ = 281219232. Its totient is φ = 40174128.

The previous prime is 130565989. The next prime is 130565999. The reversal of 130565994 is 499565031.

It is an interprime number because it is at equal distance from previous prime (130565989) and next prime (130565999).

It is not an unprimeable number, because it can be changed into a prime (130565999) 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, 836884 + ... + 837039.

It is an arithmetic number, because the mean of its divisors is an integer number (17576202).

Almost surely, 2^130565994 is an apocalyptic number.

130565994 is an abundant number, since it is smaller than the sum of its proper divisors (150653238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130565994 is a wasteful number, since it uses less digits than its factorization.

130565994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673941.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 130565994 is about 11426.5477726214. The cubic root of 130565994 is about 507.3138197732.

The spelling of 130565994 in words is "one hundred thirty million, five hundred sixty-five thousand, nine hundred ninety-four".