158938 has 8 divisors (see below), whose sum is σ = 256788. Its totient is φ = 73344.

The previous prime is 158927. The next prime is 158941. The reversal of 158938 is 839851.

It can be written as a sum of positive squares in 2 ways, for example, as 154449 + 4489 = 393^2 + 67^2 .

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

It is a super-2 number, since 2×158938² = 50522575688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3031 + ... + 3082.

2¹⁵⁸⁹³⁸ is an apocalyptic number.

158938 is a deficient number, since it is larger than the sum of its proper divisors (97850).

158938 is a wasteful number, since it uses less digits than its factorization.

158938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6128.

The product of its digits is 8640, while the sum is 34.

The square root of 158938 is about 398.6702898386. The cubic root of 158938 is about 54.1679726181.

The spelling of 158938 in words is "one hundred fifty-eight thousand, nine hundred thirty-eight".