129596894 has 16 divisors (see below), whose sum is σ = 225483648. Its totient is φ = 54712152.

The previous prime is 129596869. The next prime is 129596897. The reversal of 129596894 is 498695921.

129596894 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129596897) 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, 68144 + ... + 70019.

It is an arithmetic number, because the mean of its divisors is an integer number (14092728).

Almost surely, 2^129596894 is an apocalyptic number.

129596894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

129596894 is a deficient number, since it is larger than the sum of its proper divisors (95886754).

129596894 is a wasteful number, since it uses less digits than its factorization.

129596894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138239.

The product of its digits is 1399680, while the sum is 53.

The square root of 129596894 is about 11384.0631586442. The cubic root of 129596894 is about 506.0555563990.

It can be divided in two parts, 1295 and 96894, that added together give a palindrome (98189).

The spelling of 129596894 in words is "one hundred twenty-nine million, five hundred ninety-six thousand, eight hundred ninety-four".