129937099 has 8 divisors (see below), whose sum is σ = 133451120. Its totient is φ = 126445536.

The previous prime is 129937091. The next prime is 129937111. The reversal of 129937099 is 990739921.

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

It is a cyclic number.

It is not a de Polignac number, because 129937099 - 2³ = 129937091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129937091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6457 + ... + 17365.

It is an arithmetic number, because the mean of its divisors is an integer number (16681390).

Almost surely, 2^129937099 is an apocalyptic number.

129937099 is a deficient number, since it is larger than the sum of its proper divisors (3514021).

129937099 is a wasteful number, since it uses less digits than its factorization.

129937099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11229.

The product of its (nonzero) digits is 275562, while the sum is 49.

The square root of 129937099 is about 11398.9955259224. The cubic root of 129937099 is about 506.4979852166.

The spelling of 129937099 in words is "one hundred twenty-nine million, nine hundred thirty-seven thousand, ninety-nine".