129083379 has 8 divisors (see below), whose sum is σ = 178046160. Its totient is φ = 83088096.

The previous prime is 129083371. The next prime is 129083389. The reversal of 129083379 is 973380921.

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

It is not a de Polignac number, because 129083379 - 2³ = 129083371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 129083379.

It is not an unprimeable number, because it can be changed into a prime (129083371) 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, 741772 + ... + 741945.

It is an arithmetic number, because the mean of its divisors is an integer number (22255770).

Almost surely, 2^129083379 is an apocalyptic number.

129083379 is a deficient number, since it is larger than the sum of its proper divisors (48962781).

129083379 is a wasteful number, since it uses less digits than its factorization.

129083379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483749.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 129083379 is about 11361.4866544832. The cubic root of 129083379 is about 505.3862731025.

The spelling of 129083379 in words is "one hundred twenty-nine million, eighty-three thousand, three hundred seventy-nine".