135589553 has 8 divisors (see below), whose sum is σ = 148910400. Its totient is φ = 122434480.

The previous prime is 135589549. The next prime is 135589579. The reversal of 135589553 is 355985531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135589553 - 2² = 135589549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135589253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39725 + ... + 43002.

It is an arithmetic number, because the mean of its divisors is an integer number (18613800).

Almost surely, 2^135589553 is an apocalyptic number.

It is an amenable number.

135589553 is a deficient number, since it is larger than the sum of its proper divisors (13320847).

135589553 is a wasteful number, since it uses less digits than its factorization.

135589553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82887.

The product of its digits is 405000, while the sum is 44.

The square root of 135589553 is about 11644.2927221880. The cubic root of 135589553 is about 513.7384562183.

The spelling of 135589553 in words is "one hundred thirty-five million, five hundred eighty-nine thousand, five hundred fifty-three".