252140132 has 12 divisors (see below), whose sum is σ = 451507056. Its totient is φ = 123138120.

The previous prime is 252140129. The next prime is 252140159. The reversal of 252140132 is 231041252.

252140132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 732794 + ... + 733137.

It is an arithmetic number, because the mean of its divisors is an integer number (37625588).

Almost surely, 2^252140132 is an apocalyptic number.

It is an amenable number.

252140132 is a deficient number, since it is larger than the sum of its proper divisors (199366924).

252140132 is a wasteful number, since it uses less digits than its factorization.

252140132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465978 (or 1465976 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 252140132 is about 15878.9209960879. The cubic root of 252140132 is about 631.7530179783.

Adding to 252140132 its reverse (231041252), we get a palindrome (483181384).

The spelling of 252140132 in words is "two hundred fifty-two million, one hundred forty thousand, one hundred thirty-two".