135156142 has 32 divisors (see below), whose sum is σ = 234005760. Its totient is φ = 57942720.

The previous prime is 135156127. The next prime is 135156143. The reversal of 135156142 is 241651531.

It is a self number, because there is not a number n which added to its sum of digits gives 135156142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135156143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35109 + ... + 38767.

It is an arithmetic number, because the mean of its divisors is an integer number (7312680).

Almost surely, 2^135156142 is an apocalyptic number.

135156142 is a deficient number, since it is larger than the sum of its proper divisors (98849618).

135156142 is a wasteful number, since it uses less digits than its factorization.

135156142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3768.

The product of its digits is 3600, while the sum is 28.

The square root of 135156142 is about 11625.6673786927. The cubic root of 135156142 is about 513.1904848865.

The spelling of 135156142 in words is "one hundred thirty-five million, one hundred fifty-six thousand, one hundred forty-two".