135443631326 has 16 divisors (see below), whose sum is σ = 203661031200. Its totient is φ = 67556671488.

The previous prime is 135443631317. The next prime is 135443631331. The reversal of 135443631326 is 623136344531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10783466 + ... + 10796018.

It is an arithmetic number, because the mean of its divisors is an integer number (12728814450).

Almost surely, 2^135443631326 is an apocalyptic number.

135443631326 is a deficient number, since it is larger than the sum of its proper divisors (68217399874).

135443631326 is a wasteful number, since it uses less digits than its factorization.

135443631326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25283.

The product of its digits is 466560, while the sum is 41.

Adding to 135443631326 its reverse (623136344531), we get a palindrome (758579975857).

The spelling of 135443631326 in words is "one hundred thirty-five billion, four hundred forty-three million, six hundred thirty-one thousand, three hundred twenty-six".