139726 has 8 divisors (see below), whose sum is σ = 220680. Its totient is φ = 66168.

The previous prime is 139721. The next prime is 139729. The reversal of 139726 is 627931.

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 = 139694 and 139703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139721) 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, 1801 + ... + 1876.

It is an arithmetic number, because the mean of its divisors is an integer number (27585).

2¹³⁹⁷²⁶ is an apocalyptic number.

139726 is a deficient number, since it is larger than the sum of its proper divisors (80954).

139726 is a wasteful number, since it uses less digits than its factorization.

139726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3698.

The product of its digits is 2268, while the sum is 28.

The square root of 139726 is about 373.7994114495. The cubic root of 139726 is about 51.8910440527.

The spelling of 139726 in words is "one hundred thirty-nine thousand, seven hundred twenty-six".