135896923 has 2 divisors, whose sum is σ = 135896924. Its totient is φ = 135896922.

The previous prime is 135896921. The next prime is 135896933. The reversal of 135896923 is 329698531.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135896923 - 2¹ = 135896921 is a prime.

Together with 135896921, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (135896921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67948461 + 67948462.

It is an arithmetic number, because the mean of its divisors is an integer number (67948462).

Almost surely, 2^135896923 is an apocalyptic number.

135896923 is a deficient number, since it is larger than the sum of its proper divisors (1).

135896923 is an equidigital number, since it uses as much as digits as its factorization.

135896923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 46.

The square root of 135896923 is about 11657.4835620729. The cubic root of 135896923 is about 514.1263637295.

The spelling of 135896923 in words is "one hundred thirty-five million, eight hundred ninety-six thousand, nine hundred twenty-three".