135722269439 has 2 divisors, whose sum is σ = 135722269440. Its totient is φ = 135722269438.

The previous prime is 135722269433. The next prime is 135722269471. The reversal of 135722269439 is 934962227531.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135722269439 - 2⁸ = 135722269183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135722269433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67861134719 + 67861134720.

It is an arithmetic number, because the mean of its divisors is an integer number (67861134720).

Almost surely, 2^135722269439 is an apocalyptic number.

135722269439 is a deficient number, since it is larger than the sum of its proper divisors (1).

135722269439 is an equidigital number, since it uses as much as digits as its factorization.

135722269439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 53.

The spelling of 135722269439 in words is "one hundred thirty-five billion, seven hundred twenty-two million, two hundred sixty-nine thousand, four hundred thirty-nine".