137894 has 4 divisors (see below), whose sum is σ = 206844. Its totient is φ = 68946.

The previous prime is 137873. The next prime is 137909. The reversal of 137894 is 498731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 498731 = 19 ⋅26249.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 137894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34472 + ... + 34475.

It is an arithmetic number, because the mean of its divisors is an integer number (51711).

2¹³⁷⁸⁹⁴ is an apocalyptic number.

137894 is a deficient number, since it is larger than the sum of its proper divisors (68950).

137894 is an equidigital number, since it uses as much as digits as its factorization.

137894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68949.

The product of its digits is 6048, while the sum is 32.

The square root of 137894 is about 371.3408138086. The cubic root of 137894 is about 51.6632579553.

The spelling of 137894 in words is "one hundred thirty-seven thousand, eight hundred ninety-four".