135966252 has 24 divisors (see below), whose sum is σ = 319032000. Its totient is φ = 45068176.

The previous prime is 135966251. The next prime is 135966263. The reversal of 135966252 is 252669531.

It is a self number, because there is not a number n which added to its sum of digits gives 135966252.

It is not an unprimeable number, because it can be changed into a prime (135966251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29502 + ... + 33797.

It is an arithmetic number, because the mean of its divisors is an integer number (13293000).

Almost surely, 2^135966252 is an apocalyptic number.

135966252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135966252 is an abundant number, since it is smaller than the sum of its proper divisors (183065748).

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

135966252 is a wasteful number, since it uses less digits than its factorization.

135966252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63485 (or 63483 counting only the distinct ones).

The product of its digits is 97200, while the sum is 39.

The square root of 135966252 is about 11660.4567663535. The cubic root of 135966252 is about 514.2137775484.

The spelling of 135966252 in words is "one hundred thirty-five million, nine hundred sixty-six thousand, two hundred fifty-two".