135161774 has 16 divisors (see below), whose sum is σ = 222663600. Its totient is φ = 61023360.

The previous prime is 135161773. The next prime is 135161791. The reversal of 135161774 is 477161531.

135161774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135161773) 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, 17339 + ... + 23894.

It is an arithmetic number, because the mean of its divisors is an integer number (13916475).

Almost surely, 2^135161774 is an apocalyptic number.

135161774 is a deficient number, since it is larger than the sum of its proper divisors (87501826).

135161774 is a wasteful number, since it uses less digits than its factorization.

135161774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41395.

The product of its digits is 17640, while the sum is 35.

The square root of 135161774 is about 11625.9095988228. The cubic root of 135161774 is about 513.1976130584.

The spelling of 135161774 in words is "one hundred thirty-five million, one hundred sixty-one thousand, seven hundred seventy-four".