130999290 has 16 divisors (see below), whose sum is σ = 314398368. Its totient is φ = 34933136.

The previous prime is 130999279. The next prime is 130999307. The reversal of 130999290 is 92999031.

It is a happy number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2183292 + ... + 2183351.

It is an arithmetic number, because the mean of its divisors is an integer number (19649898).

Almost surely, 2^130999290 is an apocalyptic number.

130999290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130999290 is an abundant number, since it is smaller than the sum of its proper divisors (183399078).

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

130999290 is a wasteful number, since it uses less digits than its factorization.

130999290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4366653.

The product of its (nonzero) digits is 39366, while the sum is 42.

The square root of 130999290 is about 11445.4921257236. The cubic root of 130999290 is about 507.8743902761.

The spelling of 130999290 in words is "one hundred thirty million, nine hundred ninety-nine thousand, two hundred ninety".