135523074 has 16 divisors (see below), whose sum is σ = 273678912. Its totient is φ = 44735568.

The previous prime is 135523051. The next prime is 135523123. The reversal of 135523074 is 470325531.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 109029 + ... + 110264.

It is an arithmetic number, because the mean of its divisors is an integer number (17104932).

Almost surely, 2^135523074 is an apocalyptic number.

135523074 is an abundant number, since it is smaller than the sum of its proper divisors (138155838).

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

135523074 is a wasteful number, since it uses less digits than its factorization.

135523074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219401.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 135523074 is about 11641.4377977980. The cubic root of 135523074 is about 513.6544812088.

The spelling of 135523074 in words is "one hundred thirty-five million, five hundred twenty-three thousand, seventy-four".