136745394 has 16 divisors (see below), whose sum is σ = 287885280. Its totient is φ = 43182720.

The previous prime is 136745393. The next prime is 136745407. The reversal of 136745394 is 493547631.

It is not an unprimeable number, because it can be changed into a prime (136745393) 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, 599647 + ... + 599874.

It is an arithmetic number, because the mean of its divisors is an integer number (17992830).

Almost surely, 2^136745394 is an apocalyptic number.

136745394 is an abundant number, since it is smaller than the sum of its proper divisors (151139886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136745394 is a wasteful number, since it uses less digits than its factorization.

136745394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199545.

The product of its digits is 272160, while the sum is 42.

The square root of 136745394 is about 11693.8186235293. The cubic root of 136745394 is about 515.1941254530.

The spelling of 136745394 in words is "one hundred thirty-six million, seven hundred forty-five thousand, three hundred ninety-four".