129593952 has 48 divisors (see below), whose sum is σ = 377984880. Its totient is φ = 43197696.

The previous prime is 129593921. The next prime is 129593963. The reversal of 129593952 is 259395921.

129593952 is a `hidden beast` number, since 1 + 2 + 9 + 593 + 9 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 129593898 and 129593907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74133 + ... + 75860.

It is an arithmetic number, because the mean of its divisors is an integer number (7874685).

Almost surely, 2^129593952 is an apocalyptic number.

129593952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

129593952 is an abundant number, since it is smaller than the sum of its proper divisors (248390928).

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

129593952 is a wasteful number, since it uses less digits than its factorization.

129593952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150012 (or 149998 counting only the distinct ones).

The product of its digits is 218700, while the sum is 45.

The square root of 129593952 is about 11383.9339421836. The cubic root of 129593952 is about 506.0517270204.

The spelling of 129593952 in words is "one hundred twenty-nine million, five hundred ninety-three thousand, nine hundred fifty-two".