136186339 has 2 divisors, whose sum is σ = 136186340. Its totient is φ = 136186338.

The previous prime is 136186333. The next prime is 136186373. The reversal of 136186339 is 933681631.

It is a weak prime.

It is an emirp because it is prime and its reverse (933681631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136186339 - 2³ = 136186331 is a prime.

It is not a weakly prime, because it can be changed into another prime (136186331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68093169 + 68093170.

It is an arithmetic number, because the mean of its divisors is an integer number (68093170).

Almost surely, 2^136186339 is an apocalyptic number.

136186339 is a deficient number, since it is larger than the sum of its proper divisors (1).

136186339 is an equidigital number, since it uses as much as digits as its factorization.

136186339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 40.

The square root of 136186339 is about 11669.8902736915. The cubic root of 136186339 is about 514.4910786129.

The spelling of 136186339 in words is "one hundred thirty-six million, one hundred eighty-six thousand, three hundred thirty-nine".