130491912 has 16 divisors (see below), whose sum is σ = 326229840. Its totient is φ = 43497296.

The previous prime is 130491901. The next prime is 130491913. The reversal of 130491912 is 219194031.

It is a self number, because there is not a number n which added to its sum of digits gives 130491912.

It is not an unprimeable number, because it can be changed into a prime (130491913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2718558 + ... + 2718605.

It is an arithmetic number, because the mean of its divisors is an integer number (20389365).

Almost surely, 2^130491912 is an apocalyptic number.

130491912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130491912 is an abundant number, since it is smaller than the sum of its proper divisors (195737928).

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

130491912 is a wasteful number, since it uses less digits than its factorization.

130491912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5437172 (or 5437168 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 130491912 is about 11423.3056511677. The cubic root of 130491912 is about 507.2178531499.

The spelling of 130491912 in words is "one hundred thirty million, four hundred ninety-one thousand, nine hundred twelve".