156934 has 4 divisors (see below), whose sum is σ = 235404.
Its totient is φ = 78466.
The previous prime is 156913. The next prime is 156941. The reversal of 156934 is 439651.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 439651 = 83 ⋅5297.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39232 + ... + 39235.
It is an arithmetic number, because the mean of its divisors is an integer number (58851).
2156934 is an apocalyptic number.
156934 is a deficient number, since it is larger than the sum of its proper divisors (78470).
156934 is an equidigital number, since it uses as much as digits as its factorization.
156934 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78469.
The product of its digits is 3240, while the sum is 28.
The square root of 156934 is about 396.1489618818.
The cubic root of 156934 is about 53.9393466223.
The spelling of 156934 in words is "one hundred fifty-six thousand, nine hundred thirty-four".