135452388 has 24 divisors (see below), whose sum is σ = 326954880. Its totient is φ = 43593760.

The previous prime is 135452347. The next prime is 135452389. The reversal of 135452388 is 883254531.

It is not an unprimeable number, because it can be changed into a prime (135452389) 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, 194268 + ... + 194963.

It is an arithmetic number, because the mean of its divisors is an integer number (13623120).

Almost surely, 2^135452388 is an apocalyptic number.

It is an amenable number.

135452388 is an abundant number, since it is smaller than the sum of its proper divisors (191502492).

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

135452388 is a wasteful number, since it uses less digits than its factorization.

135452388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389267 (or 389265 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 135452388 is about 11638.4014366235. The cubic root of 135452388 is about 513.5651618677.

The spelling of 135452388 in words is "one hundred thirty-five million, four hundred fifty-two thousand, three hundred eighty-eight".