130629672 has 40 divisors (see below), whose sum is σ = 365885850. Its totient is φ = 43543008.

The previous prime is 130629671. The next prime is 130629679. The reversal of 130629672 is 276926031.

It can be written as a sum of positive squares in only one way, i.e., 113934276 + 16695396 = 10674^2 + 4086^2 .

It is a super-2 number, since 2×130629672² = 34128222413655168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (130629671) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 100147 + ... + 101442.

Almost surely, 2^130629672 is an apocalyptic number.

130629672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130629672 is an abundant number, since it is smaller than the sum of its proper divisors (235256178).

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

130629672 is a wasteful number, since it uses less digits than its factorization.

130629672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201607 (or 201594 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 130629672 is about 11429.3338388552. Note that the first 3 decimals coincide. The cubic root of 130629672 is about 507.3962799353.

The spelling of 130629672 in words is "one hundred thirty million, six hundred twenty-nine thousand, six hundred seventy-two".