129461339 has 8 divisors (see below), whose sum is σ = 149983200. Its totient is φ = 109446336.

The previous prime is 129461327. The next prime is 129461357. The reversal of 129461339 is 933164921.

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 129461339 - 2⁸ = 129461083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129461369) 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, 126164 + ... + 127185.

It is an arithmetic number, because the mean of its divisors is an integer number (18747900).

Almost surely, 2^129461339 is an apocalyptic number.

129461339 is a deficient number, since it is larger than the sum of its proper divisors (20521861).

129461339 is an equidigital number, since it uses as much as digits as its factorization.

129461339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253429.

The product of its digits is 34992, while the sum is 38.

The square root of 129461339 is about 11378.1078831236. The cubic root of 129461339 is about 505.8790545037.

The spelling of 129461339 in words is "one hundred twenty-nine million, four hundred sixty-one thousand, three hundred thirty-nine".