136066473 has 10 divisors (see below), whose sum is σ = 203259914. Its totient is φ = 90710928.

The previous prime is 136066451. The next prime is 136066507. The reversal of 136066473 is 374660631.

It is a happy number.

136066473 is a `hidden beast` number, since 1 + 3 + 6 + 0 + 6 + 647 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 95004009 + 41062464 = 9747^2 + 6408^2 .

It is not a de Polignac number, because 136066473 - 2¹³ = 136058281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136066433) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 839836 + ... + 839997.

Almost surely, 2^136066473 is an apocalyptic number.

It is an amenable number.

136066473 is a deficient number, since it is larger than the sum of its proper divisors (67193441).

136066473 is an equidigital number, since it uses as much as digits as its factorization.

136066473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679845 (or 1679836 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 136066473 is about 11664.7534478874. The cubic root of 136066473 is about 514.3400891913.

The spelling of 136066473 in words is "one hundred thirty-six million, sixty-six thousand, four hundred seventy-three".