136939342 has 4 divisors (see below), whose sum is σ = 205409016. Its totient is φ = 68469670.

The previous prime is 136939337. The next prime is 136939367. The reversal of 136939342 is 243939631.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 136939295 and 136939304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34234834 + ... + 34234837.

It is an arithmetic number, because the mean of its divisors is an integer number (51352254).

Almost surely, 2^136939342 is an apocalyptic number.

136939342 is a deficient number, since it is larger than the sum of its proper divisors (68469674).

136939342 is an equidigital number, since it uses as much as digits as its factorization.

136939342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68469673.

The product of its digits is 104976, while the sum is 40.

The square root of 136939342 is about 11702.1084424987. The cubic root of 136939342 is about 515.4375795218.

The spelling of 136939342 in words is "one hundred thirty-six million, nine hundred thirty-nine thousand, three hundred forty-two".