135404572 has 12 divisors (see below), whose sum is σ = 237585880. Its totient is φ = 67522896.

The previous prime is 135404557. The next prime is 135404573. The reversal of 135404572 is 275404531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135404573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43143 + ... + 46174.

Almost surely, 2^135404572 is an apocalyptic number.

It is an amenable number.

135404572 is a deficient number, since it is larger than the sum of its proper divisors (102181308).

135404572 is a wasteful number, since it uses less digits than its factorization.

135404572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89700 (or 89698 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 135404572 is about 11636.3470212950. The cubic root of 135404572 is about 513.5047236028.

The spelling of 135404572 in words is "one hundred thirty-five million, four hundred four thousand, five hundred seventy-two".