136382537 has 2 divisors, whose sum is σ = 136382538. Its totient is φ = 136382536.

The previous prime is 136382527. The next prime is 136382539. The reversal of 136382537 is 735283631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125910841 + 10471696 = 11221^2 + 3236^2 .

It is a cyclic number.

It is not a de Polignac number, because 136382537 - 2⁶ = 136382473 is a prime.

Together with 136382539, 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 136382537.

It is not a weakly prime, because it can be changed into another prime (136382539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68191268 + 68191269.

It is an arithmetic number, because the mean of its divisors is an integer number (68191269).

Almost surely, 2^136382537 is an apocalyptic number.

It is an amenable number.

136382537 is a deficient number, since it is larger than the sum of its proper divisors (1).

136382537 is an equidigital number, since it uses as much as digits as its factorization.

136382537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 38.

The square root of 136382537 is about 11678.2934112823. The cubic root of 136382537 is about 514.7380287005.

The spelling of 136382537 in words is "one hundred thirty-six million, three hundred eighty-two thousand, five hundred thirty-seven".