135450252 has 48 divisors (see below), whose sum is σ = 401336320. Its totient is φ = 38699856.

The previous prime is 135450251. The next prime is 135450269. The reversal of 135450252 is 252054531.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (135450251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88828 + ... + 90339.

Almost surely, 2^135450252 is an apocalyptic number.

135450252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135450252 is an abundant number, since it is smaller than the sum of its proper divisors (265886068).

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

135450252 is a wasteful number, since it uses less digits than its factorization.

135450252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179187 (or 179179 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 135450252 is about 11638.3096710820. The cubic root of 135450252 is about 513.5624623190.

The spelling of 135450252 in words is "one hundred thirty-five million, four hundred fifty thousand, two hundred fifty-two".