136442042 has 16 divisors (see below), whose sum is σ = 230968800. Its totient is φ = 59880240.

The previous prime is 136442041. The next prime is 136442077. The reversal of 136442042 is 240244631.

It is not an unprimeable number, because it can be changed into a prime (136442041) 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, 106292 + ... + 107567.

It is an arithmetic number, because the mean of its divisors is an integer number (14435550).

Almost surely, 2^136442042 is an apocalyptic number.

136442042 is a deficient number, since it is larger than the sum of its proper divisors (94526758).

136442042 is a wasteful number, since it uses less digits than its factorization.

136442042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213901.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 136442042 is about 11680.8408087774. The cubic root of 136442042 is about 514.8128795171.

Adding to 136442042 its reverse (240244631), we get a palindrome (376686673).

The spelling of 136442042 in words is "one hundred thirty-six million, four hundred forty-two thousand, forty-two".