136749593 has 8 divisors (see below), whose sum is σ = 146664000. Its totient is φ = 127106928.

The previous prime is 136749563. The next prime is 136749619. The reversal of 136749593 is 395947631.

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 136749593 - 2¹⁴ = 136733209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136749523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66893 + ... + 68906.

It is an arithmetic number, because the mean of its divisors is an integer number (18333000).

Almost surely, 2^136749593 is an apocalyptic number.

It is an amenable number.

136749593 is a deficient number, since it is larger than the sum of its proper divisors (9914407).

136749593 is a wasteful number, since it uses less digits than its factorization.

136749593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135871.

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

The square root of 136749593 is about 11693.9981614502. The cubic root of 136749593 is about 515.1993987031.

The spelling of 136749593 in words is "one hundred thirty-six million, seven hundred forty-nine thousand, five hundred ninety-three".