139894 has 8 divisors (see below), whose sum is σ = 212040. Its totient is φ = 69216.

The previous prime is 139891. The next prime is 139901. The reversal of 139894 is 498931.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84 + ... + 535.

It is an arithmetic number, because the mean of its divisors is an integer number (26505).

2¹³⁹⁸⁹⁴ is an apocalyptic number.

139894 is a deficient number, since it is larger than the sum of its proper divisors (72146).

139894 is a wasteful number, since it uses less digits than its factorization.

139894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734.

The product of its digits is 7776, while the sum is 34.

The square root of 139894 is about 374.0240633970. The cubic root of 139894 is about 51.9118328436.

The spelling of 139894 in words is "one hundred thirty-nine thousand, eight hundred ninety-four".