130945690 has 16 divisors (see below), whose sum is σ = 237265920. Its totient is φ = 52030800.

The previous prime is 130945681. The next prime is 130945691. The reversal of 130945690 is 96549031.

It is a super-2 number, since 2×130945690² = 34293547459152200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130945691) 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, 41850 + ... + 44869.

It is an arithmetic number, because the mean of its divisors is an integer number (14829120).

Almost surely, 2^130945690 is an apocalyptic number.

130945690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130945690 is a deficient number, since it is larger than the sum of its proper divisors (106320230).

130945690 is a wasteful number, since it uses less digits than its factorization.

130945690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86877.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 130945690 is about 11443.1503529404. The cubic root of 130945690 is about 507.8051131044.

The spelling of 130945690 in words is "one hundred thirty million, nine hundred forty-five thousand, six hundred ninety".