136313777 has 8 divisors (see below), whose sum is σ = 139354080. Its totient is φ = 133297920.

The previous prime is 136313773. The next prime is 136313783. The reversal of 136313777 is 777313631.

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 136313777 - 2² = 136313773 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 136313777.

It is not an unprimeable number, because it can be changed into a prime (136313773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5402 + ... + 17372.

It is an arithmetic number, because the mean of its divisors is an integer number (17419260).

Almost surely, 2^136313777 is an apocalyptic number.

It is an amenable number.

136313777 is a deficient number, since it is larger than the sum of its proper divisors (3040303).

136313777 is a wasteful number, since it uses less digits than its factorization.

136313777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12223.

The product of its digits is 55566, while the sum is 38.

The square root of 136313777 is about 11675.3491168359. The cubic root of 136313777 is about 514.6515089808.

The spelling of 136313777 in words is "one hundred thirty-six million, three hundred thirteen thousand, seven hundred seventy-seven".