188137 has 2 divisors, whose sum is σ = 188138. Its totient is φ = 188136.

The previous prime is 188107. The next prime is 188143. The reversal of 188137 is 731881.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184041 + 4096 = 429^2 + 64^2 .

It is an emirp because it is prime and its reverse (731881) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-188137 is a prime.

It is not a weakly prime, because it can be changed into another prime (188107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94068 + 94069.

It is an arithmetic number, because the mean of its divisors is an integer number (94069).

2¹⁸⁸¹³⁷ is an apocalyptic number.

It is an amenable number.

188137 is a deficient number, since it is larger than the sum of its proper divisors (1).

188137 is an equidigital number, since it uses as much as digits as its factorization.

188137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 28.

The square root of 188137 is about 433.7476224719. The cubic root of 188137 is about 57.3004551293.

It can be divided in two parts, 188 and 137, that added together give a triangular number (325 = T₂₅).

The spelling of 188137 in words is "one hundred eighty-eight thousand, one hundred thirty-seven".