129068435 has 8 divisors (see below), whose sum is σ = 155110416. Its totient is φ = 103102560.

The previous prime is 129068431. The next prime is 129068447. The reversal of 129068435 is 534860921.

It is a happy number.

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

It is not a de Polignac number, because 129068435 - 2² = 129068431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129068431) 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, 15224 + ... + 22133.

It is an arithmetic number, because the mean of its divisors is an integer number (19388802).

Almost surely, 2^129068435 is an apocalyptic number.

129068435 is a deficient number, since it is larger than the sum of its proper divisors (26041981).

129068435 is an equidigital number, since it uses as much as digits as its factorization.

129068435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38053.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 129068435 is about 11360.8289750352. The cubic root of 129068435 is about 505.3667694711.

The spelling of 129068435 in words is "one hundred twenty-nine million, sixty-eight thousand, four hundred thirty-five".