136582691 has 8 divisors (see below), whose sum is σ = 156171360. Its totient is φ = 117013248.

The previous prime is 136582681. The next prime is 136582723. The reversal of 136582691 is 196285631.

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 136582691 - 2¹⁰ = 136581667 is a prime.

It is a super-3 number, since 3×136582691³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136582681) 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, 17075 + ... + 23763.

It is an arithmetic number, because the mean of its divisors is an integer number (19521420).

Almost surely, 2^136582691 is an apocalyptic number.

136582691 is a deficient number, since it is larger than the sum of its proper divisors (19588669).

136582691 is an equidigital number, since it uses as much as digits as its factorization.

136582691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9613.

The product of its digits is 77760, while the sum is 41.

The square root of 136582691 is about 11686.8597578648. The cubic root of 136582691 is about 514.9897141880.

The spelling of 136582691 in words is "one hundred thirty-six million, five hundred eighty-two thousand, six hundred ninety-one".