97138 has 8 divisors (see below), whose sum is σ = 154332. Its totient is φ = 45696.

The previous prime is 97127. The next prime is 97151. The reversal of 97138 is 83179.

It can be written as a sum of positive squares in 2 ways, for example, as 91809 + 5329 = 303^2 + 73^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1395 + ... + 1462.

2⁹⁷¹³⁸ is an apocalyptic number.

97138 is a deficient number, since it is larger than the sum of its proper divisors (57194).

97138 is a wasteful number, since it uses less digits than its factorization.

97138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2876.

The product of its digits is 1512, while the sum is 28.

The square root of 97138 is about 311.6696969550. The cubic root of 97138 is about 45.9687879004.

The spelling of 97138 in words is "ninety-seven thousand, one hundred thirty-eight".