130491090 has 48 divisors (see below), whose sum is σ = 350228736. Its totient is φ = 33674400.

The previous prime is 130491079. The next prime is 130491161. The reversal of 130491090 is 90194031.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20596 + ... + 26175.

It is an arithmetic number, because the mean of its divisors is an integer number (7296432).

Almost surely, 2^130491090 is an apocalyptic number.

130491090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130491090 is an abundant number, since it is smaller than the sum of its proper divisors (219737646).

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

130491090 is a wasteful number, since it uses less digits than its factorization.

130491090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46815 (or 46812 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 130491090 is about 11423.2696720335. The cubic root of 130491090 is about 507.2167881185.

The spelling of 130491090 in words is "one hundred thirty million, four hundred ninety-one thousand, ninety".