136877111 has 16 divisors (see below), whose sum is σ = 160605504. Its totient is φ = 114226944.

The previous prime is 136877099. The next prime is 136877161. The reversal of 136877111 is 111778631.

It is a cyclic number.

It is not a de Polignac number, because 136877111 - 2¹⁰ = 136876087 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 (136877161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49481 + ... + 52173.

It is an arithmetic number, because the mean of its divisors is an integer number (10037844).

Almost surely, 2^136877111 is an apocalyptic number.

136877111 is a deficient number, since it is larger than the sum of its proper divisors (23728393).

136877111 is a wasteful number, since it uses less digits than its factorization.

136877111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2890.

The product of its digits is 7056, while the sum is 35.

The square root of 136877111 is about 11699.4491750680. The cubic root of 136877111 is about 515.3594888488.

The spelling of 136877111 in words is "one hundred thirty-six million, eight hundred seventy-seven thousand, one hundred eleven".