135819743 has 2 divisors, whose sum is σ = 135819744. Its totient is φ = 135819742.

The previous prime is 135819713. The next prime is 135819751. The reversal of 135819743 is 347918531.

135819743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135819743 - 2¹⁶ = 135754207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135819743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135819713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67909871 + 67909872.

It is an arithmetic number, because the mean of its divisors is an integer number (67909872).

Almost surely, 2^135819743 is an apocalyptic number.

135819743 is a deficient number, since it is larger than the sum of its proper divisors (1).

135819743 is an equidigital number, since it uses as much as digits as its factorization.

135819743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The square root of 135819743 is about 11654.1727720160. The cubic root of 135819743 is about 514.0290159600.

The spelling of 135819743 in words is "one hundred thirty-five million, eight hundred nineteen thousand, seven hundred forty-three".