137087 has 2 divisors, whose sum is σ = 137088. Its totient is φ = 137086.

The previous prime is 137077. The next prime is 137089. The reversal of 137087 is 780731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137087 - 2¹⁶ = 71551 is a prime.

Together with 137089, 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 (137089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68543 + 68544.

It is an arithmetic number, because the mean of its divisors is an integer number (68544).

2¹³⁷⁰⁸⁷ is an apocalyptic number.

137087 is a deficient number, since it is larger than the sum of its proper divisors (1).

137087 is an equidigital number, since it uses as much as digits as its factorization.

137087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 137087 is about 370.2526164661. The cubic root of 137087 is about 51.5622773789.

The spelling of 137087 in words is "one hundred thirty-seven thousand, eighty-seven".