139922 has 8 divisors (see below), whose sum is σ = 214896. Its totient is φ = 68292.

The previous prime is 139921. The next prime is 139939. The reversal of 139922 is 229931.

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

It is a junction number, because it is equal to n+sod(n) for n = 139891 and 139900.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 139922.

It is not an unprimeable number, because it can be changed into a prime (139921) 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, 728 + ... + 899.

It is an arithmetic number, because the mean of its divisors is an integer number (26862).

2¹³⁹⁹²² is an apocalyptic number.

139922 is a deficient number, since it is larger than the sum of its proper divisors (74974).

139922 is a wasteful number, since it uses less digits than its factorization.

139922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672.

The product of its digits is 972, while the sum is 26.

The square root of 139922 is about 374.0614922710. The cubic root of 139922 is about 51.9152960237.

Subtracting 139922 from its reverse (229931), we obtain a palindrome (90009).

The spelling of 139922 in words is "one hundred thirty-nine thousand, nine hundred twenty-two".