136579394 has 16 divisors (see below), whose sum is σ = 247909248. Its totient is φ = 55090752.

The previous prime is 136579381. The next prime is 136579403. The reversal of 136579394 is 493975631.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286694 + ... + 287169.

It is an arithmetic number, because the mean of its divisors is an integer number (15494328).

Almost surely, 2^136579394 is an apocalyptic number.

136579394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

136579394 is a deficient number, since it is larger than the sum of its proper divisors (111329854).

136579394 is a wasteful number, since it uses less digits than its factorization.

136579394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573889.

The product of its digits is 612360, while the sum is 47.

The square root of 136579394 is about 11686.7187011582. The cubic root of 136579394 is about 514.9855703375.

The spelling of 136579394 in words is "one hundred thirty-six million, five hundred seventy-nine thousand, three hundred ninety-four".