135141523456 has 63 divisors (see below), whose sum is σ = 271037892391. Its totient is φ = 67382542336.

The previous prime is 135141523403. The next prime is 135141523487. The reversal of 135141523456 is 654325141531.

The square root of 135141523456 is 367616.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 376438605 + ... + 376438963.

Almost surely, 2^135141523456 is an apocalyptic number.

135141523456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

135141523456 is the 367616-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135141523456

135141523456 is an abundant number, since it is smaller than the sum of its proper divisors (135896368935).

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

135141523456 is an frugal number, since it uses more digits than its factorization.

135141523456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758 (or 361 counting only the distinct ones).

The product of its digits is 216000, while the sum is 40.

Adding to 135141523456 its reverse (654325141531), we get a palindrome (789466664987).

The spelling of 135141523456 in words is "one hundred thirty-five billion, one hundred forty-one million, five hundred twenty-three thousand, four hundred fifty-six".