136753723 has 2 divisors, whose sum is σ = 136753724. Its totient is φ = 136753722.

The previous prime is 136753711. The next prime is 136753733. The reversal of 136753723 is 327357631.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136753723 is a prime.

It is not a weakly prime, because it can be changed into another prime (136753733) 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, 68376861 + 68376862.

It is an arithmetic number, because the mean of its divisors is an integer number (68376862).

Almost surely, 2^136753723 is an apocalyptic number.

136753723 is a deficient number, since it is larger than the sum of its proper divisors (1).

136753723 is an equidigital number, since it uses as much as digits as its factorization.

136753723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 37.

The square root of 136753723 is about 11694.1747464282. The cubic root of 136753723 is about 515.2045851953.

The spelling of 136753723 in words is "one hundred thirty-six million, seven hundred fifty-three thousand, seven hundred twenty-three".