129064496 has 20 divisors (see below), whose sum is σ = 272795784. Its totient is φ = 58665600.

The previous prime is 129064483. The next prime is 129064499. The reversal of 129064496 is 694460921.

It is not an unprimeable number, because it can be changed into a prime (129064499) 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, 366485 + ... + 366836.

Almost surely, 2^129064496 is an apocalyptic number.

129064496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

129064496 is an abundant number, since it is smaller than the sum of its proper divisors (143731288).

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

129064496 is a wasteful number, since it uses less digits than its factorization.

129064496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733340 (or 733334 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 129064496 is about 11360.6556148842. The cubic root of 129064496 is about 505.3616283743.

The spelling of 129064496 in words is "one hundred twenty-nine million, sixty-four thousand, four hundred ninety-six".