139633 has 8 divisors (see below), whose sum is σ = 157248. Its totient is φ = 123024.

The previous prime is 139627. The next prime is 139661. The reversal of 139633 is 336931.

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 139633 - 2⁹ = 139121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139598 and 139607.

It is not an unprimeable number, because it can be changed into a prime (139663) 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, 66 + ... + 532.

It is an arithmetic number, because the mean of its divisors is an integer number (19656).

2¹³⁹⁶³³ is an apocalyptic number.

139633 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

139633 is a deficient number, since it is larger than the sum of its proper divisors (17615).

139633 is a wasteful number, since it uses less digits than its factorization.

139633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503.

The product of its digits is 1458, while the sum is 25.

The square root of 139633 is about 373.6749924734. The cubic root of 139633 is about 51.8795288058.

The spelling of 139633 in words is "one hundred thirty-nine thousand, six hundred thirty-three".