136323477 has 6 divisors (see below), whose sum is σ = 196911702. Its totient is φ = 90882312.

The previous prime is 136323431. The next prime is 136323521. The reversal of 136323477 is 774323631.

136323477 is a `hidden beast` number, since 13 + 632 + 3 + 4 + 7 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 122080401 + 14243076 = 11049^2 + 3774^2 .

It is not a de Polignac number, because 136323477 - 2⁶ = 136323413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136323377) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7573518 + ... + 7573535.

It is an arithmetic number, because the mean of its divisors is an integer number (32818617).

Almost surely, 2^136323477 is an apocalyptic number.

It is an amenable number.

136323477 is a deficient number, since it is larger than the sum of its proper divisors (60588225).

136323477 is a wasteful number, since it uses less digits than its factorization.

136323477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15147059 (or 15147056 counting only the distinct ones).

The product of its digits is 63504, while the sum is 36.

The square root of 136323477 is about 11675.7645145832. The cubic root of 136323477 is about 514.6637161138.

The spelling of 136323477 in words is "one hundred thirty-six million, three hundred twenty-three thousand, four hundred seventy-seven".