129436102 has 8 divisors (see below), whose sum is σ = 194492376. Its totient is φ = 64605312.

The previous prime is 129436091. The next prime is 129436103. The reversal of 129436102 is 201634921.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129436103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54928 + ... + 57235.

It is an arithmetic number, because the mean of its divisors is an integer number (24311547).

Almost surely, 2^129436102 is an apocalyptic number.

129436102 is a deficient number, since it is larger than the sum of its proper divisors (65056274).

129436102 is a wasteful number, since it uses less digits than its factorization.

129436102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112742.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 129436102 is about 11376.9988133954. The cubic root of 129436102 is about 505.8461805985.

The spelling of 129436102 in words is "one hundred twenty-nine million, four hundred thirty-six thousand, one hundred two".