114644639 has 2 divisors, whose sum is σ = 114644640. Its totient is φ = 114644638.

The previous prime is 114644599. The next prime is 114644641. The reversal of 114644639 is 936446411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 114644639 - 2¹⁶ = 114579103 is a prime.

Together with 114644641, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_6553586 and since 114644639 and 6553586 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (114644669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57322319 + 57322320.

It is an arithmetic number, because the mean of its divisors is an integer number (57322320).

Almost surely, 2^114644639 is an apocalyptic number.

114644639 is a deficient number, since it is larger than the sum of its proper divisors (1).

114644639 is an equidigital number, since it uses as much as digits as its factorization.

114644639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 38.

The square root of 114644639 is about 10707.2236831029. The cubic root of 114644639 is about 485.7929975296.

The spelling of 114644639 in words is "one hundred fourteen million, six hundred forty-four thousand, six hundred thirty-nine".