158734 has 4 divisors (see below), whose sum is σ = 238104. Its totient is φ = 79366.

The previous prime is 158731. The next prime is 158747. The reversal of 158734 is 437851.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 437851 = 23 ⋅19037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39682 + ... + 39685.

It is an arithmetic number, because the mean of its divisors is an integer number (59526).

2¹⁵⁸⁷³⁴ is an apocalyptic number.

158734 is a deficient number, since it is larger than the sum of its proper divisors (79370).

158734 is an equidigital number, since it uses as much as digits as its factorization.

158734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79369.

The product of its digits is 3360, while the sum is 28.

The square root of 158734 is about 398.4143571710. The cubic root of 158734 is about 54.1447874819.

The spelling of 158734 in words is "one hundred fifty-eight thousand, seven hundred thirty-four".