135122742 has 40 divisors (see below), whose sum is σ = 310971936. Its totient is φ = 43821648.

The previous prime is 135122731. The next prime is 135122753. The reversal of 135122742 is 247221531.

135122742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (135122731) and next prime (135122753).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5278 + ... + 17265.

Almost surely, 2^135122742 is an apocalyptic number.

135122742 is an abundant number, since it is smaller than the sum of its proper divisors (175849194).

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

135122742 is a wasteful number, since it uses less digits than its factorization.

135122742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22594 (or 22585 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 135122742 is about 11624.2308132624. The cubic root of 135122742 is about 513.1482079218.

The spelling of 135122742 in words is "one hundred thirty-five million, one hundred twenty-two thousand, seven hundred forty-two".