136986309058 has 4 divisors (see below), whose sum is σ = 205479463590. Its totient is φ = 68493154528.

The previous prime is 136986309029. The next prime is 136986309067. The reversal of 136986309058 is 850903689631.

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

It can be written as a sum of positive squares in only one way, i.e., 78723452929 + 58262856129 = 280577^2 + 241377^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 136986308993 and 136986309011.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34246577263 + ... + 34246577266.

Almost surely, 2^136986309058 is an apocalyptic number.

136986309058 is a deficient number, since it is larger than the sum of its proper divisors (68493154532).

136986309058 is an equidigital number, since it uses as much as digits as its factorization.

136986309058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68493154531.

The product of its (nonzero) digits is 8398080, while the sum is 58.

The spelling of 136986309058 in words is "one hundred thirty-six billion, nine hundred eighty-six million, three hundred nine thousand, fifty-eight".