130897690 has 64 divisors (see below), whose sum is σ = 296110080. Its totient is φ = 40472640.

The previous prime is 130897667. The next prime is 130897691. The reversal of 130897690 is 96798031.

130897690 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×130897690² = 34268410494672200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130897691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106419 + ... + 107641.

It is an arithmetic number, because the mean of its divisors is an integer number (4626720).

Almost surely, 2^130897690 is an apocalyptic number.

130897690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130897690 is an abundant number, since it is smaller than the sum of its proper divisors (165212390).

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

130897690 is a wasteful number, since it uses less digits than its factorization.

130897690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 130897690 is about 11441.0528361685. The cubic root of 130897690 is about 507.7430577990.

The spelling of 130897690 in words is "one hundred thirty million, eight hundred ninety-seven thousand, six hundred ninety".