130745232 has 160 divisors (see below), whose sum is σ = 418723200. Its totient is φ = 38817792.

The previous prime is 130745221. The next prime is 130745243. The reversal of 130745232 is 232547031.

130745232 is a `hidden beast` number, since 130 + 7 + 4 + 523 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (130745221) and next prime (130745243).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 130745196 and 130745205.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139068 + ... + 140004.

It is an arithmetic number, because the mean of its divisors is an integer number (2617020).

Almost surely, 2^130745232 is an apocalyptic number.

130745232 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 130745232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209361600).

130745232 is an abundant number, since it is smaller than the sum of its proper divisors (287977968).

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

130745232 is a wasteful number, since it uses less digits than its factorization.

130745232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 130745232 is about 11434.3881340455. The cubic root of 130745232 is about 507.5458565502.

The spelling of 130745232 in words is "one hundred thirty million, seven hundred forty-five thousand, two hundred thirty-two".