135223413456 has 40 divisors (see below), whose sum is σ = 351278722080. Its totient is φ = 44822655616.

The previous prime is 135223413443. The next prime is 135223413461. The reversal of 135223413456 is 654314322531.

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, 7860555 + ... + 7877738.

It is an arithmetic number, because the mean of its divisors is an integer number (8781968052).

Almost surely, 2^135223413456 is an apocalyptic number.

135223413456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

135223413456 is an abundant number, since it is smaller than the sum of its proper divisors (216055308624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135223413456 is a wasteful number, since it uses less digits than its factorization.

135223413456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15738483 (or 15738477 counting only the distinct ones).

The product of its digits is 259200, while the sum is 39.

Adding to 135223413456 its reverse (654314322531), we get a palindrome (789537735987).

The spelling of 135223413456 in words is "one hundred thirty-five billion, two hundred twenty-three million, four hundred thirteen thousand, four hundred fifty-six".