136986309057 has 8 divisors (see below), whose sum is σ = 196698289984. Its totient is φ = 84299267088.

The previous prime is 136986309029. The next prime is 136986309067. The reversal of 136986309057 is 750903689631.

It is a happy number.

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

It is not a de Polignac number, because 136986309057 - 2¹¹ = 136986307009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136986308988 and 136986309006.

It is not an unprimeable number, because it can be changed into a prime (136986309067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1756234693 + ... + 1756234770.

It is an arithmetic number, because the mean of its divisors is an integer number (24587286248).

Almost surely, 2^136986309057 is an apocalyptic number.

It is an amenable number.

136986309057 is a deficient number, since it is larger than the sum of its proper divisors (59711980927).

136986309057 is a wasteful number, since it uses less digits than its factorization.

136986309057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3512469479.

The product of its (nonzero) digits is 7348320, while the sum is 57.

The spelling of 136986309057 in words is "one hundred thirty-six billion, nine hundred eighty-six million, three hundred nine thousand, fifty-seven".