129893376 has 44 divisors (see below), whose sum is σ = 346221392. Its totient is φ = 43296768.

The previous prime is 129893327. The next prime is 129893437. The reversal of 129893376 is 673398921.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 18070 + ... + 24213.

It is an arithmetic number, because the mean of its divisors is an integer number (7868668).

Almost surely, 2^129893376 is an apocalyptic number.

129893376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

129893376 is an abundant number, since it is smaller than the sum of its proper divisors (216328016).

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

129893376 is an equidigital number, since it uses as much as digits as its factorization.

129893376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42306 (or 42288 counting only the distinct ones).

The product of its digits is 489888, while the sum is 48.

The square root of 129893376 is about 11397.0775201365. The cubic root of 129893376 is about 506.4411677360.

The spelling of 129893376 in words is "one hundred twenty-nine million, eight hundred ninety-three thousand, three hundred seventy-six".