136269887 has 8 divisors (see below), whose sum is σ = 147739200. Its totient is φ = 124941600.

The previous prime is 136269883. The next prime is 136269899. The reversal of 136269887 is 788962631.

136269887 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 136269887 - 2² = 136269883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136269883) 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, 33239 + ... + 37112.

It is an arithmetic number, because the mean of its divisors is an integer number (18467400).

Almost surely, 2^136269887 is an apocalyptic number.

136269887 is a deficient number, since it is larger than the sum of its proper divisors (11469313).

136269887 is a wasteful number, since it uses less digits than its factorization.

136269887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70513.

The product of its digits is 870912, while the sum is 50.

The square root of 136269887 is about 11673.4693643321. The cubic root of 136269887 is about 514.5962676106.

The spelling of 136269887 in words is "one hundred thirty-six million, two hundred sixty-nine thousand, eight hundred eighty-seven".