129471060356 has 48 divisors (see below), whose sum is σ = 253156071168. Its totient is φ = 57428263200.

The previous prime is 129471060353. The next prime is 129471060361. The reversal of 129471060356 is 653060174921.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (129471060353) 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, 2032811 + ... + 2095533.

It is an arithmetic number, because the mean of its divisors is an integer number (5274084816).

Almost surely, 2^129471060356 is an apocalyptic number.

It is an amenable number.

129471060356 is a deficient number, since it is larger than the sum of its proper divisors (123685010812).

129471060356 is a wasteful number, since it uses less digits than its factorization.

129471060356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63872 (or 63870 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 129471060356 in words is "one hundred twenty-nine billion, four hundred seventy-one million, sixty thousand, three hundred fifty-six".