136716442 has 4 divisors (see below), whose sum is σ = 205074666. Its totient is φ = 68358220.

The previous prime is 136716421. The next prime is 136716491. The reversal of 136716442 is 244617631.

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

It can be written as a sum of positive squares in only one way, i.e., 132917841 + 3798601 = 11529^2 + 1949^2 .

It is a junction number, because it is equal to n+sod(n) for n = 136716398 and 136716407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34179109 + ... + 34179112.

Almost surely, 2^136716442 is an apocalyptic number.

136716442 is a deficient number, since it is larger than the sum of its proper divisors (68358224).

136716442 is an equidigital number, since it uses as much as digits as its factorization.

136716442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68358223.

The product of its digits is 24192, while the sum is 34.

The square root of 136716442 is about 11692.5806390206. The cubic root of 136716442 is about 515.1577635869.

The spelling of 136716442 in words is "one hundred thirty-six million, seven hundred sixteen thousand, four hundred forty-two".