136582739 has 2 divisors, whose sum is σ = 136582740. Its totient is φ = 136582738.

The previous prime is 136582729. The next prime is 136582741. The reversal of 136582739 is 937285631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136582739 - 2⁴ = 136582723 is a prime.

It is a Sophie Germain prime.

Together with 136582741, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136582739.

It is not a weakly prime, because it can be changed into another prime (136582729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68291369 + 68291370.

It is an arithmetic number, because the mean of its divisors is an integer number (68291370).

Almost surely, 2^136582739 is an apocalyptic number.

136582739 is a deficient number, since it is larger than the sum of its proper divisors (1).

136582739 is an equidigital number, since it uses as much as digits as its factorization.

136582739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 44.

The square root of 136582739 is about 11686.8618114531. The cubic root of 136582739 is about 514.9897745165.

The spelling of 136582739 in words is "one hundred thirty-six million, five hundred eighty-two thousand, seven hundred thirty-nine".