135311542 has 16 divisors (see below), whose sum is σ = 206794800. Its totient is φ = 66385440.

The previous prime is 135311537. The next prime is 135311563. The reversal of 135311542 is 245113531.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61009 + ... + 63187.

It is an arithmetic number, because the mean of its divisors is an integer number (12924675).

Almost surely, 2^135311542 is an apocalyptic number.

135311542 is a deficient number, since it is larger than the sum of its proper divisors (71483258).

135311542 is a wasteful number, since it uses less digits than its factorization.

135311542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751.

The product of its digits is 1800, while the sum is 25.

The square root of 135311542 is about 11632.3489459352. The cubic root of 135311542 is about 513.3870951545.

The spelling of 135311542 in words is "one hundred thirty-five million, three hundred eleven thousand, five hundred forty-two".