129569034 has 24 divisors (see below), whose sum is σ = 301447008. Its totient is φ = 37019640.

The previous prime is 129569029. The next prime is 129569039. The reversal of 129569034 is 430965921.

It is an interprime number because it is at equal distance from previous prime (129569029) and next prime (129569039).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 129568983 and 129569001.

It is not an unprimeable number, because it can be changed into a prime (129569039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220062 + ... + 220649.

It is an arithmetic number, because the mean of its divisors is an integer number (12560292).

Almost surely, 2^129569034 is an apocalyptic number.

129569034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

129569034 is an abundant number, since it is smaller than the sum of its proper divisors (171877974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129569034 is a wasteful number, since it uses less digits than its factorization.

129569034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440730 (or 440723 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 129569034 is about 11382.8394524389. The cubic root of 129569034 is about 506.0192908225.

The spelling of 129569034 in words is "one hundred twenty-nine million, five hundred sixty-nine thousand, thirty-four".