167138 has 8 divisors (see below), whose sum is σ = 252588. Its totient is φ = 82944.

The previous prime is 167119. The next prime is 167149. The reversal of 167138 is 831761.

It can be written as a sum of positive squares in 2 ways, for example, as 146689 + 20449 = 383^2 + 143^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×167138² = 55870222088, which contains 22 as substring.

It is an unprimeable number.

167138 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170 + ... + 602.

2¹⁶⁷¹³⁸ is an apocalyptic number.

167138 is a deficient number, since it is larger than the sum of its proper divisors (85450).

167138 is a wasteful number, since it uses less digits than its factorization.

167138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628.

The product of its digits is 1008, while the sum is 26.

The square root of 167138 is about 408.8251459977. The cubic root of 167138 is about 55.0839489348.

Adding to 167138 its reverse (831761), we get a palindrome (998899).

The spelling of 167138 in words is "one hundred sixty-seven thousand, one hundred thirty-eight".