136752739 has 2 divisors, whose sum is σ = 136752740. Its totient is φ = 136752738.

The previous prime is 136752731. The next prime is 136752761. The reversal of 136752739 is 937257631.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136752739 - 2³ = 136752731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136752695 and 136752704.

It is not a weakly prime, because it can be changed into another prime (136752731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68376369 + 68376370.

It is an arithmetic number, because the mean of its divisors is an integer number (68376370).

Almost surely, 2^136752739 is an apocalyptic number.

136752739 is a deficient number, since it is larger than the sum of its proper divisors (1).

136752739 is an equidigital number, since it uses as much as digits as its factorization.

136752739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 238140, while the sum is 43.

The square root of 136752739 is about 11694.1326741234. The cubic root of 136752739 is about 515.2033494885.

The spelling of 136752739 in words is "one hundred thirty-six million, seven hundred fifty-two thousand, seven hundred thirty-nine".