137911 has 2 divisors, whose sum is σ = 137912. Its totient is φ = 137910.

The previous prime is 137909. The next prime is 137927. The reversal of 137911 is 119731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137911 - 2¹ = 137909 is a prime.

Together with 137909, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68955 + 68956.

It is an arithmetic number, because the mean of its divisors is an integer number (68956).

2¹³⁷⁹¹¹ is an apocalyptic number.

137911 is a deficient number, since it is larger than the sum of its proper divisors (1).

137911 is an equidigital number, since it uses as much as digits as its factorization.

137911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 189, while the sum is 22.

The square root of 137911 is about 371.3637031267. The cubic root of 137911 is about 51.6653809369.

The spelling of 137911 in words is "one hundred thirty-seven thousand, nine hundred eleven".