135564074 has 16 divisors (see below), whose sum is σ = 209088000. Its totient is φ = 65887824.

The previous prime is 135564071. The next prime is 135564083. The reversal of 135564074 is 470465531.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135564071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9167 + ... + 18845.

It is an arithmetic number, because the mean of its divisors is an integer number (13068000).

Almost surely, 2^135564074 is an apocalyptic number.

135564074 is a deficient number, since it is larger than the sum of its proper divisors (73523926).

135564074 is a wasteful number, since it uses less digits than its factorization.

135564074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9877.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 135564074 is about 11643.1986155008. The cubic root of 135564074 is about 513.7062748744.

The spelling of 135564074 in words is "one hundred thirty-five million, five hundred sixty-four thousand, seventy-four".