137171 has 4 divisors (see below), whose sum is σ = 138000. Its totient is φ = 136344.

The previous prime is 137153. The next prime is 137177. The reversal of 137171 is 171731.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 171731 = 7 ⋅24533.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71 + ... + 528.

It is an arithmetic number, because the mean of its divisors is an integer number (34500).

2¹³⁷¹⁷¹ is an apocalyptic number.

137171 is a deficient number, since it is larger than the sum of its proper divisors (829).

137171 is an equidigital number, since it uses as much as digits as its factorization.

137171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828.

The product of its digits is 147, while the sum is 20.

The square root of 137171 is about 370.3660351598. The cubic root of 137171 is about 51.5728068163.

The spelling of 137171 in words is "one hundred thirty-seven thousand, one hundred seventy-one".