135594396 has 36 divisors (see below), whose sum is σ = 391717872. Its totient is φ = 38741184.

The previous prime is 135594379. The next prime is 135594443. The reversal of 135594396 is 693495531.

135594396 is a `hidden beast` number, since 1 + 3 + 559 + 4 + 3 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268785 + ... + 269288.

It is an arithmetic number, because the mean of its divisors is an integer number (10881052).

Almost surely, 2^135594396 is an apocalyptic number.

It is an amenable number.

135594396 is an abundant number, since it is smaller than the sum of its proper divisors (256123476).

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

135594396 is a wasteful number, since it uses less digits than its factorization.

135594396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538090 (or 538085 counting only the distinct ones).

The product of its digits is 437400, while the sum is 45.

The square root of 135594396 is about 11644.5006762849. The cubic root of 135594396 is about 513.7445727311.

It can be divided in two parts, 13559 and 4396, that added together give a triangular number (17955 = T₁₈₉).

The spelling of 135594396 in words is "one hundred thirty-five million, five hundred ninety-four thousand, three hundred ninety-six".