136963885 has 8 divisors (see below), whose sum is σ = 164816640. Its totient is φ = 109264464.

The previous prime is 136963867. The next prime is 136963889. The reversal of 136963885 is 588369631.

136963885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 136963885 - 2²³ = 128575277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136963889) 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, 36357 + ... + 39946.

It is an arithmetic number, because the mean of its divisors is an integer number (20602080).

Almost surely, 2^136963885 is an apocalyptic number.

It is an amenable number.

136963885 is a deficient number, since it is larger than the sum of its proper divisors (27852755).

136963885 is an equidigital number, since it uses as much as digits as its factorization.

136963885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76667.

The product of its digits is 933120, while the sum is 49.

The square root of 136963885 is about 11703.1570526931. The cubic root of 136963885 is about 515.4683708407.

The spelling of 136963885 in words is "one hundred thirty-six million, nine hundred sixty-three thousand, eight hundred eighty-five".