834345129 has 16 divisors (see below), whose sum is σ = 1167179264. Its totient is φ = 529459200.

The previous prime is 834345107. The next prime is 834345131. The reversal of 834345129 is 921543438.

834345129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 834345129 - 2⁵ = 834345097 is a prime.

It is a super-2 number, since 2×834345129² = 1392263588572053282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (834345529) 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, 67864 + ... + 79209.

It is an arithmetic number, because the mean of its divisors is an integer number (72948704).

Almost surely, 2^834345129 is an apocalyptic number.

It is an amenable number.

834345129 is a deficient number, since it is larger than the sum of its proper divisors (332834135).

834345129 is a wasteful number, since it uses less digits than its factorization.

834345129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147168.

The product of its digits is 103680, while the sum is 39.

The square root of 834345129 is about 28885.0329582640. The cubic root of 834345129 is about 941.4167293166.

The spelling of 834345129 in words is "eight hundred thirty-four million, three hundred forty-five thousand, one hundred twenty-nine".