135166252 has 48 divisors (see below), whose sum is σ = 272432160. Its totient is φ = 58125312.

The previous prime is 135166189. The next prime is 135166259. The reversal of 135166252 is 252661531.

It is not an unprimeable number, because it can be changed into a prime (135166259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93874 + ... + 95302.

It is an arithmetic number, because the mean of its divisors is an integer number (5675670).

Almost surely, 2^135166252 is an apocalyptic number.

It is an amenable number.

135166252 is an abundant number, since it is smaller than the sum of its proper divisors (137265908).

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

135166252 is a wasteful number, since it uses less digits than its factorization.

135166252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570 (or 1568 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 135166252 is about 11626.1021843092. The cubic root of 135166252 is about 513.2032805226.

The spelling of 135166252 in words is "one hundred thirty-five million, one hundred sixty-six thousand, two hundred fifty-two".