133462026215256 has 128 divisors (see below), whose sum is σ = 359310213504000. Its totient is φ = 41177688809472.

The previous prime is 133462026215197. The next prime is 133462026215281. The reversal of 133462026215256 is 652512620264331.

It is a super-2 number, since 2×133462026215256² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6970050 + ... + 17762478.

It is an arithmetic number, because the mean of its divisors is an integer number (2807111043000).

Almost surely, 2^{133462026215256} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133462026215256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179655106752000).

133462026215256 is an abundant number, since it is smaller than the sum of its proper divisors (225848187288744).

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

133462026215256 is a wasteful number, since it uses less digits than its factorization.

133462026215256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10793081 (or 10793077 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 48.

Adding to 133462026215256 its reverse (652512620264331), we get a palindrome (785974646479587).

The spelling of 133462026215256 in words is "one hundred thirty-three trillion, four hundred sixty-two billion, twenty-six million, two hundred fifteen thousand, two hundred fifty-six".