129915130 has 8 divisors (see below), whose sum is σ = 233847252. Its totient is φ = 51966048.

The previous prime is 129915091. The next prime is 129915131. The reversal of 129915130 is 31519921.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 129254161 + 660969 = 11369^2 + 813^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 129915092 and 129915101.

It is not an unprimeable number, because it can be changed into a prime (129915131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6495747 + ... + 6495766.

Almost surely, 2^129915130 is an apocalyptic number.

129915130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129915130 is a deficient number, since it is larger than the sum of its proper divisors (103932122).

129915130 is a wasteful number, since it uses less digits than its factorization.

129915130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12991520.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 129915130 is about 11398.0318476481. The cubic root of 129915130 is about 506.4694383749.

The spelling of 129915130 in words is "one hundred twenty-nine million, nine hundred fifteen thousand, one hundred thirty".