136544746 has 16 divisors (see below), whose sum is σ = 220846248. Its totient is φ = 62942400.

The previous prime is 136544741. The next prime is 136544783. The reversal of 136544746 is 647445631.

It can be written as a sum of positive squares in 4 ways, for example, as 90155025 + 46389721 = 9495^2 + 6811^2 .

It is a junction number, because it is equal to n+sod(n) for n = 136544699 and 136544708.

It is not an unprimeable number, because it can be changed into a prime (136544741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21676 + ... + 27256.

Almost surely, 2^136544746 is an apocalyptic number.

136544746 is a deficient number, since it is larger than the sum of its proper divisors (84301502).

136544746 is a wasteful number, since it uses less digits than its factorization.

136544746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6537.

The product of its digits is 241920, while the sum is 40.

The square root of 136544746 is about 11685.2362406586. The cubic root of 136544746 is about 514.9420187968.

The spelling of 136544746 in words is "one hundred thirty-six million, five hundred forty-four thousand, seven hundred forty-six".