136926385 has 8 divisors (see below), whose sum is σ = 164457216. Its totient is φ = 109444080.

The previous prime is 136926379. The next prime is 136926389. The reversal of 136926385 is 583629631.

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

It is a de Polignac number, because none of the positive numbers 2^k-136926385 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136926389) 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, 5601 + ... + 17470.

It is an arithmetic number, because the mean of its divisors is an integer number (20557152).

Almost surely, 2^136926385 is an apocalyptic number.

It is an amenable number.

136926385 is a deficient number, since it is larger than the sum of its proper divisors (27530831).

136926385 is a wasteful number, since it uses less digits than its factorization.

136926385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24263.

The product of its digits is 233280, while the sum is 43.

The square root of 136926385 is about 11701.5548112206. The cubic root of 136926385 is about 515.4213223594.

The spelling of 136926385 in words is "one hundred thirty-six million, nine hundred twenty-six thousand, three hundred eighty-five".