136753885 has 4 divisors (see below), whose sum is σ = 164104668. Its totient is φ = 109403104.

The previous prime is 136753873. The next prime is 136753891. The reversal of 136753885 is 588357631.

136753885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 588357631 = 2549 ⋅230819.

It can be written as a sum of positive squares in 2 ways, for example, as 22071204 + 114682681 = 4698^2 + 10709^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136753885 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13675384 + ... + 13675393.

It is an arithmetic number, because the mean of its divisors is an integer number (41026167).

Almost surely, 2^136753885 is an apocalyptic number.

It is an amenable number.

136753885 is a deficient number, since it is larger than the sum of its proper divisors (27350783).

136753885 is an equidigital number, since it uses as much as digits as its factorization.

136753885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27350782.

The product of its digits is 604800, while the sum is 46.

The square root of 136753885 is about 11694.1816729517. The cubic root of 136753885 is about 515.2047886343.

The spelling of 136753885 in words is "one hundred thirty-six million, seven hundred fifty-three thousand, eight hundred eighty-five".