130691172 has 48 divisors (see below), whose sum is σ = 326132352. Its totient is φ = 40588800.

The previous prime is 130691153. The next prime is 130691173. The reversal of 130691172 is 271196031.

It is not an unprimeable number, because it can be changed into a prime (130691173) 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, 17433 + ... + 23775.

It is an arithmetic number, because the mean of its divisors is an integer number (6794424).

Almost surely, 2^130691172 is an apocalyptic number.

130691172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130691172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163066176).

130691172 is an abundant number, since it is smaller than the sum of its proper divisors (195441180).

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

130691172 is a wasteful number, since it uses less digits than its factorization.

130691172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6468 (or 6466 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 130691172 is about 11432.0239677845. The cubic root of 130691172 is about 507.4758942500.

It can be divided in two parts, 13069 and 1172, that added together give a palindrome (14241).

The spelling of 130691172 in words is "one hundred thirty million, six hundred ninety-one thousand, one hundred seventy-two".