139683 has 8 divisors (see below), whose sum is σ = 188496. Its totient is φ = 92000.

The previous prime is 139681. The next prime is 139697. The reversal of 139683 is 386931.

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

It is a cyclic number.

It is not a de Polignac number, because 139683 - 2¹ = 139681 is a prime.

It is a super-2 number, since 2×139683² = 39022680978, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 139683.

It is not an unprimeable number, because it can be changed into a prime (139681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73 + ... + 533.

It is an arithmetic number, because the mean of its divisors is an integer number (23562).

2¹³⁹⁶⁸³ is an apocalyptic number.

139683 is a deficient number, since it is larger than the sum of its proper divisors (48813).

139683 is a wasteful number, since it uses less digits than its factorization.

139683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565.

The product of its digits is 3888, while the sum is 30.

The square root of 139683 is about 373.7418895441. The cubic root of 139683 is about 51.8857204340.

The spelling of 139683 in words is "one hundred thirty-nine thousand, six hundred eighty-three".