135155142 has 28 divisors (see below), whose sum is σ = 303963300. Its totient is φ = 45051228.

The previous prime is 135155131. The next prime is 135155143. The reversal of 135155142 is 241551531.

135155142 is a `hidden beast` number, since 1 + 3 + 515 + 5 + 142 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135155143) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 44892 + ... + 47807.

Almost surely, 2^135155142 is an apocalyptic number.

135155142 is an abundant number, since it is smaller than the sum of its proper divisors (168808158).

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

135155142 is an frugal number, since it uses more digits than its factorization.

135155142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92719 (or 92704 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 135155142 is about 11625.6243703295. The cubic root of 135155142 is about 513.1892192102.

The spelling of 135155142 in words is "one hundred thirty-five million, one hundred fifty-five thousand, one hundred forty-two".