136722601 has 8 divisors (see below), whose sum is σ = 138499200. Its totient is φ = 134951520.

The previous prime is 136722581. The next prime is 136722623. The reversal of 136722601 is 106227631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136722601 - 2⁵ = 136722569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136722601.

It is not an unprimeable number, because it can be changed into a prime (136722631) 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, 73756 + ... + 75586.

It is an arithmetic number, because the mean of its divisors is an integer number (17312400).

Almost surely, 2^136722601 is an apocalyptic number.

It is an amenable number.

136722601 is a deficient number, since it is larger than the sum of its proper divisors (1776599).

136722601 is an equidigital number, since it uses as much as digits as its factorization.

136722601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 136722601 is about 11692.8440081958. The cubic root of 136722601 is about 515.1654993281.

The spelling of 136722601 in words is "one hundred thirty-six million, seven hundred twenty-two thousand, six hundred one".