136396973359 has 4 divisors (see below), whose sum is σ = 136992593560. Its totient is φ = 135801353160.

The previous prime is 136396973357. The next prime is 136396973371. The reversal of 136396973359 is 953379693631.

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

It is a cyclic number.

It is not a de Polignac number, because 136396973359 - 2¹ = 136396973357 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 136396973359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136396973351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297809757 + ... + 297810214.

It is an arithmetic number, because the mean of its divisors is an integer number (34248148390).

Almost surely, 2^136396973359 is an apocalyptic number.

136396973359 is a deficient number, since it is larger than the sum of its proper divisors (595620201).

136396973359 is an equidigital number, since it uses as much as digits as its factorization.

136396973359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595620200.

The product of its digits is 74401740, while the sum is 64.

The spelling of 136396973359 in words is "one hundred thirty-six billion, three hundred ninety-six million, nine hundred seventy-three thousand, three hundred fifty-nine".