130655690 has 32 divisors (see below), whose sum is σ = 257121216. Its totient is φ = 47407360.

The previous prime is 130655689. The next prime is 130655699. The reversal of 130655690 is 96556031.

It is a super-2 number, since 2×130655690² = 34141818658752200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130655690.

It is not an unprimeable number, because it can be changed into a prime (130655699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64229 + ... + 66231.

It is an arithmetic number, because the mean of its divisors is an integer number (8035038).

Almost surely, 2^130655690 is an apocalyptic number.

130655690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130655690 is a deficient number, since it is larger than the sum of its proper divisors (126465526).

130655690 is a wasteful number, since it uses less digits than its factorization.

130655690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 130655690 is about 11430.4719937542. The cubic root of 130655690 is about 507.4299643702.

The spelling of 130655690 in words is "one hundred thirty million, six hundred fifty-five thousand, six hundred ninety".