129714372 has 36 divisors (see below), whose sum is σ = 340035696. Its totient is φ = 43237800.

The previous prime is 129714353. The next prime is 129714379. The reversal of 129714372 is 273417921.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (36) 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 (36).

It is not an unprimeable number, because it can be changed into a prime (129714379) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65754 + ... + 67697.

It is an arithmetic number, because the mean of its divisors is an integer number (9445436).

Almost surely, 2^129714372 is an apocalyptic number.

129714372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

129714372 is an abundant number, since it is smaller than the sum of its proper divisors (210321324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129714372 is a wasteful number, since it uses less digits than its factorization.

129714372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133470 (or 133456 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 129714372 is about 11389.2217468974. The cubic root of 129714372 is about 506.2084212766.

The spelling of 129714372 in words is "one hundred twenty-nine million, seven hundred fourteen thousand, three hundred seventy-two".