135091604 has 12 divisors (see below), whose sum is σ = 246689184. Its totient is φ = 64608984.

The previous prime is 135091601. The next prime is 135091633. The reversal of 135091604 is 406190531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135091601) 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 3 ways as a sum of consecutive naturals, for example, 734102 + ... + 734285.

It is an arithmetic number, because the mean of its divisors is an integer number (20557432).

Almost surely, 2^135091604 is an apocalyptic number.

It is an amenable number.

135091604 is a deficient number, since it is larger than the sum of its proper divisors (111597580).

135091604 is a wasteful number, since it uses less digits than its factorization.

135091604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468414 (or 1468412 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 135091604 is about 11622.8913786545. The cubic root of 135091604 is about 513.1087878701.

The spelling of 135091604 in words is "one hundred thirty-five million, ninety-one thousand, six hundred four".