129590139 has 16 divisors (see below), whose sum is σ = 201673728. Its totient is φ = 72475392.

The previous prime is 129590107. The next prime is 129590143. The reversal of 129590139 is 931095921.

It is not a de Polignac number, because 129590139 - 2⁵ = 129590107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 129590097 and 129590106.

It is not an unprimeable number, because it can be changed into a prime (129590159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64662 + ... + 66635.

It is an arithmetic number, because the mean of its divisors is an integer number (12604608).

Almost surely, 2^129590139 is an apocalyptic number.

129590139 is a deficient number, since it is larger than the sum of its proper divisors (72083589).

129590139 is a wasteful number, since it uses less digits than its factorization.

129590139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131354.

The product of its (nonzero) digits is 21870, while the sum is 39.

The square root of 129590139 is about 11383.7664680895. The cubic root of 129590139 is about 506.0467638408.

The spelling of 129590139 in words is "one hundred twenty-nine million, five hundred ninety thousand, one hundred thirty-nine".