135394572 has 18 divisors (see below), whose sum is σ = 316014748. Its totient is φ = 45118088.

The previous prime is 135394561. The next prime is 135394601. The reversal of 135394572 is 275493531.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 135394572.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 38629 + ... + 41987.

Almost surely, 2^135394572 is an apocalyptic number.

135394572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135394572 is an abundant number, since it is smaller than the sum of its proper divisors (180620176).

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

135394572 is an frugal number, since it uses more digits than its factorization.

135394572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6725 (or 3364 counting only the distinct ones).

The product of its digits is 113400, while the sum is 39.

The square root of 135394572 is about 11635.9173252477. The cubic root of 135394572 is about 513.4920820463.

The spelling of 135394572 in words is "one hundred thirty-five million, three hundred ninety-four thousand, five hundred seventy-two".