130661132 has 24 divisors (see below), whose sum is σ = 261564576. Its totient is φ = 55945728.

The previous prime is 130661131. The next prime is 130661143. The reversal of 130661132 is 231166031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 130661098 and 130661107.

It is not an unprimeable number, because it can be changed into a prime (130661131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56348 + ... + 58620.

It is an arithmetic number, because the mean of its divisors is an integer number (10898524).

Almost surely, 2^130661132 is an apocalyptic number.

It is an amenable number.

130661132 is an abundant number, since it is smaller than the sum of its proper divisors (130903444).

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

130661132 is a wasteful number, since it uses less digits than its factorization.

130661132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4337 (or 4335 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 130661132 is about 11430.7100391883. The cubic root of 130661132 is about 507.4370093384.

The spelling of 130661132 in words is "one hundred thirty million, six hundred sixty-one thousand, one hundred thirty-two".