136761723 has 16 divisors (see below), whose sum is σ = 231554560. Its totient is φ = 78149448.

The previous prime is 136761721. The next prime is 136761743. The reversal of 136761723 is 327167631.

136761723 is a `hidden beast` number, since 1 + 36 + 7 + 617 + 2 + 3 = 666.

136761723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136761723 - 2¹ = 136761721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136761721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361615 + ... + 361992.

It is an arithmetic number, because the mean of its divisors is an integer number (14472160).

Almost surely, 2^136761723 is an apocalyptic number.

136761723 is a deficient number, since it is larger than the sum of its proper divisors (94792837).

136761723 is an equidigital number, since it uses as much as digits as its factorization.

136761723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723623 (or 723617 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 136761723 is about 11694.5167920697. The cubic root of 136761723 is about 515.2146313723.

The spelling of 136761723 in words is "one hundred thirty-six million, seven hundred sixty-one thousand, seven hundred twenty-three".