129614464 has 32 divisors (see below), whose sum is σ = 295106400. Its totient is φ = 55548672.

The previous prime is 129614399. The next prime is 129614473. The reversal of 129614464 is 464416921.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71434 + ... + 73225.

It is an arithmetic number, because the mean of its divisors is an integer number (9222075).

Almost surely, 2^129614464 is an apocalyptic number.

129614464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

129614464 is an abundant number, since it is smaller than the sum of its proper divisors (165491936).

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

129614464 is an equidigital number, since it uses as much as digits as its factorization.

129614464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144680 (or 144668 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 129614464 is about 11384.8348253279. The cubic root of 129614464 is about 506.0784247308.

The spelling of 129614464 in words is "one hundred twenty-nine million, six hundred fourteen thousand, four hundred sixty-four".