130891272 has 16 divisors (see below), whose sum is σ = 327228240. Its totient is φ = 43630416.

The previous prime is 130891259. The next prime is 130891273. The reversal of 130891272 is 272198031.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (130891273) 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, 2726878 + ... + 2726925.

It is an arithmetic number, because the mean of its divisors is an integer number (20451765).

Almost surely, 2^130891272 is an apocalyptic number.

130891272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130891272 is an abundant number, since it is smaller than the sum of its proper divisors (196336968).

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

130891272 is a wasteful number, since it uses less digits than its factorization.

130891272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5453812 (or 5453808 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 130891272 is about 11440.7723515504. The cubic root of 130891272 is about 507.7347593378.

The spelling of 130891272 in words is "one hundred thirty million, eight hundred ninety-one thousand, two hundred seventy-two".