136242934 has 4 divisors (see below), whose sum is σ = 204364404. Its totient is φ = 68121466.

The previous prime is 136242919. The next prime is 136242937. The reversal of 136242934 is 439242631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 439242631 = 1399 ⋅313969.

It is a self number, because there is not a number n which added to its sum of digits gives 136242934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136242937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34060732 + ... + 34060735.

It is an arithmetic number, because the mean of its divisors is an integer number (51091101).

Almost surely, 2^136242934 is an apocalyptic number.

136242934 is a deficient number, since it is larger than the sum of its proper divisors (68121470).

136242934 is an equidigital number, since it uses as much as digits as its factorization.

136242934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68121469.

The product of its digits is 31104, while the sum is 34.

The square root of 136242934 is about 11672.3148518192. The cubic root of 136242934 is about 514.5623378162.

The spelling of 136242934 in words is "one hundred thirty-six million, two hundred forty-two thousand, nine hundred thirty-four".