136573494 has 16 divisors (see below), whose sum is σ = 285023232. Its totient is φ = 43545128.

The previous prime is 136573483. The next prime is 136573511. The reversal of 136573494 is 494375631.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 494694 + ... + 494969.

It is an arithmetic number, because the mean of its divisors is an integer number (17813952).

Almost surely, 2^136573494 is an apocalyptic number.

136573494 is an abundant number, since it is smaller than the sum of its proper divisors (148449738).

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

136573494 is a wasteful number, since it uses less digits than its factorization.

136573494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989691.

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

The square root of 136573494 is about 11686.4662751407. The cubic root of 136573494 is about 514.9781547274.

The spelling of 136573494 in words is "one hundred thirty-six million, five hundred seventy-three thousand, four hundred ninety-four".