136242542 has 16 divisors (see below), whose sum is σ = 208703952. Its totient is φ = 66680640.

The previous prime is 136242499. The next prime is 136242563. The reversal of 136242542 is 245242631.

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, 53993 + ... + 56459.

It is an arithmetic number, because the mean of its divisors is an integer number (13043997).

Almost surely, 2^136242542 is an apocalyptic number.

136242542 is a deficient number, since it is larger than the sum of its proper divisors (72461410).

136242542 is a wasteful number, since it uses less digits than its factorization.

136242542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3043.

The product of its digits is 11520, while the sum is 29.

The square root of 136242542 is about 11672.2980599366. The cubic root of 136242542 is about 514.5618443138.

The spelling of 136242542 in words is "one hundred thirty-six million, two hundred forty-two thousand, five hundred forty-two".