136458923 has 8 divisors (see below), whose sum is σ = 140606688. Its totient is φ = 132335424.

The previous prime is 136458899. The next prime is 136458929. The reversal of 136458923 is 329854631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136458923 - 2¹⁰ = 136457899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136458929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5690 + ... + 17472.

It is an arithmetic number, because the mean of its divisors is an integer number (17575836).

Almost surely, 2^136458923 is an apocalyptic number.

136458923 is a deficient number, since it is larger than the sum of its proper divisors (4147765).

136458923 is a wasteful number, since it uses less digits than its factorization.

136458923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12133.

The product of its digits is 155520, while the sum is 41.

The square root of 136458923 is about 11681.5633799590. The cubic root of 136458923 is about 514.8341100160.

It can be divided in two parts, 13645892 and 3, that multiplied together give a triangular number (40937676 = T₉₀₄₈).

The spelling of 136458923 in words is "one hundred thirty-six million, four hundred fifty-eight thousand, nine hundred twenty-three".