136360646 has 4 divisors (see below), whose sum is σ = 204540972. Its totient is φ = 68180322.

The previous prime is 136360643. The next prime is 136360657. The reversal of 136360646 is 646063631.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136360643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34090160 + ... + 34090163.

It is an arithmetic number, because the mean of its divisors is an integer number (51135243).

Almost surely, 2^136360646 is an apocalyptic number.

136360646 is a deficient number, since it is larger than the sum of its proper divisors (68180326).

136360646 is an equidigital number, since it uses as much as digits as its factorization.

136360646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68180325.

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 136360646 is about 11677.3561219995. The cubic root of 136360646 is about 514.7104867258.

The spelling of 136360646 in words is "one hundred thirty-six million, three hundred sixty thousand, six hundred forty-six".