130235632 has 40 divisors (see below), whose sum is σ = 257014800. Its totient is φ = 63920640.

The previous prime is 130235621. The next prime is 130235647. The reversal of 130235632 is 236532031.

It is a happy number.

It is a super-2 number, since 2×130235632² = 33922639684878848, which contains 22 as substring.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 130235597 and 130235606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372994 + ... + 373342.

It is an arithmetic number, because the mean of its divisors is an integer number (6425370).

Almost surely, 2^130235632 is an apocalyptic number.

It is an amenable number.

130235632 is a deficient number, since it is larger than the sum of its proper divisors (126779168).

130235632 is a wasteful number, since it uses less digits than its factorization.

130235632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721 (or 715 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 130235632 is about 11412.0827196441. The cubic root of 130235632 is about 506.8855848371.

Adding to 130235632 its reverse (236532031), we get a palindrome (366767663).

The spelling of 130235632 in words is "one hundred thirty million, two hundred thirty-five thousand, six hundred thirty-two".