136814211 has 16 divisors (see below), whose sum is σ = 202900000. Its totient is φ = 91113984.

The previous prime is 136814203. The next prime is 136814221. The reversal of 136814211 is 112418631.

It is a happy number.

It is not a de Polignac number, because 136814211 - 2³ = 136814203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136814221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31695 + ... + 35751.

It is an arithmetic number, because the mean of its divisors is an integer number (12681250).

Almost surely, 2^136814211 is an apocalyptic number.

136814211 is a deficient number, since it is larger than the sum of its proper divisors (66085789).

136814211 is a wasteful number, since it uses less digits than its factorization.

136814211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5315 (or 5309 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 136814211 is about 11696.7607054261. The cubic root of 136814211 is about 515.2805346240.

The spelling of 136814211 in words is "one hundred thirty-six million, eight hundred fourteen thousand, two hundred eleven".