139814 has 8 divisors (see below), whose sum is σ = 213840. Its totient is φ = 68536.

The previous prime is 139813. The next prime is 139831. The reversal of 139814 is 418931.

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

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 139814.

It is not an unprimeable number, because it can be changed into a prime (139813) 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, 554 + ... + 765.

It is an arithmetic number, because the mean of its divisors is an integer number (26730).

2¹³⁹⁸¹⁴ is an apocalyptic number.

139814 is a deficient number, since it is larger than the sum of its proper divisors (74026).

139814 is a wasteful number, since it uses less digits than its factorization.

139814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374.

The product of its digits is 864, while the sum is 26.

The square root of 139814 is about 373.9171031124. The cubic root of 139814 is about 51.9019354963.

The spelling of 139814 in words is "one hundred thirty-nine thousand, eight hundred fourteen".