129514252 has 18 divisors (see below), whose sum is σ = 263654412. Its totient is φ = 55506024.

The previous prime is 129514247. The next prime is 129514271. The reversal of 129514252 is 252415921.

It is a super-2 number, since 2×129514252² = 33547882942239008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 330198 + ... + 330589.

Almost surely, 2^129514252 is an apocalyptic number.

It is an amenable number.

129514252 is an abundant number, since it is smaller than the sum of its proper divisors (134140160).

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

129514252 is a wasteful number, since it uses less digits than its factorization.

129514252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660805 (or 660796 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 129514252 is about 11380.4328564427. The cubic root of 129514252 is about 505.9479655075.

The spelling of 129514252 in words is "one hundred twenty-nine million, five hundred fourteen thousand, two hundred fifty-two".