136585049 has 4 divisors (see below), whose sum is σ = 138230736. Its totient is φ = 134939364.

The previous prime is 136585037. The next prime is 136585067. The reversal of 136585049 is 940585631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 940585631 = 83 ⋅11332357.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136585049 is a prime.

It is a super-2 number, since 2×136585049² = 37310951220664802, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136584997 and 136585015.

It is not an unprimeable number, because it can be changed into a prime (136585949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822719 + ... + 822884.

It is an arithmetic number, because the mean of its divisors is an integer number (34557684).

Almost surely, 2^136585049 is an apocalyptic number.

It is an amenable number.

136585049 is a deficient number, since it is larger than the sum of its proper divisors (1645687).

136585049 is an equidigital number, since it uses as much as digits as its factorization.

136585049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645686.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 136585049 is about 11686.9606399611. The cubic root of 136585049 is about 514.9926778109.

The spelling of 136585049 in words is "one hundred thirty-six million, five hundred eighty-five thousand, forty-nine".