119639 has 4 divisors (see below), whose sum is σ = 128856. Its totient is φ = 110424.

The previous prime is 119633. The next prime is 119653. The reversal of 119639 is 936911.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-119639 is a prime.

It is a d-powerful number, because it can be written as 1 + 1 + 6⁴ + 9⁵ + 3⁵ + 9⁵ .

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4589 + ... + 4614.

It is an arithmetic number, because the mean of its divisors is an integer number (32214).

2¹¹⁹⁶³⁹ is an apocalyptic number.

119639 is a deficient number, since it is larger than the sum of its proper divisors (9217).

119639 is an equidigital number, since it uses as much as digits as its factorization.

119639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9216.

The product of its digits is 1458, while the sum is 29.

The square root of 119639 is about 345.8887104258. Note that the first 3 decimals coincide. The cubic root of 119639 is about 49.2747305516.

The spelling of 119639 in words is "one hundred nineteen thousand, six hundred thirty-nine".