136766536 has 16 divisors (see below), whose sum is σ = 257504940. Its totient is φ = 68098560.

The previous prime is 136766527. The next prime is 136766537. The reversal of 136766536 is 635667631.

It can be written as a sum of positive squares in 2 ways, for example, as 136749636 + 16900 = 11694^2 + 130^2 .

It is a junction number, because it is equal to n+sod(n) for n = 136766492 and 136766501.

It is not an unprimeable number, because it can be changed into a prime (136766537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33541 + ... + 37396.

Almost surely, 2^136766536 is an apocalyptic number.

It is an amenable number.

136766536 is a deficient number, since it is larger than the sum of its proper divisors (120738404).

136766536 is a wasteful number, since it uses less digits than its factorization.

136766536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71184 (or 71180 counting only the distinct ones).

The product of its digits is 408240, while the sum is 43.

The square root of 136766536 is about 11694.7225704589. The cubic root of 136766536 is about 515.2206752148.

The spelling of 136766536 in words is "one hundred thirty-six million, seven hundred sixty-six thousand, five hundred thirty-six".