468786139 has 2 divisors, whose sum is σ = 468786140. Its totient is φ = 468786138.

The previous prime is 468786137. The next prime is 468786167. The reversal of 468786139 is 931687864.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 468786139 - 2¹ = 468786137 is a prime.

Together with 468786137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (468786133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234393069 + 234393070.

It is an arithmetic number, because the mean of its divisors is an integer number (234393070).

Almost surely, 2^468786139 is an apocalyptic number.

468786139 is a deficient number, since it is larger than the sum of its proper divisors (1).

468786139 is an equidigital number, since it uses as much as digits as its factorization.

468786139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 52.

The square root of 468786139 is about 21651.4696729806. The cubic root of 468786139 is about 776.8280890467.

The spelling of 468786139 in words is "four hundred sixty-eight million, seven hundred eighty-six thousand, one hundred thirty-nine".