133465013302556 has 48 divisors (see below), whose sum is σ = 255257666076000. Its totient is φ = 61054110464256.

The previous prime is 133465013302553. The next prime is 133465013302583. The reversal of 133465013302556 is 655203310564331.

It is a super-2 number, since 2×133465013302556² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133465013302556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133465013302553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66206906 + ... + 68192993.

It is an arithmetic number, because the mean of its divisors is an integer number (5317868043250).

Almost surely, 2^{133465013302556} is an apocalyptic number.

It is an amenable number.

133465013302556 is a deficient number, since it is larger than the sum of its proper divisors (121792652773444).

133465013302556 is a wasteful number, since it uses less digits than its factorization.

133465013302556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134400055 (or 134400027 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 47.

Adding to 133465013302556 its reverse (655203310564331), we get a palindrome (788668323866887).

The spelling of 133465013302556 in words is "one hundred thirty-three trillion, four hundred sixty-five billion, thirteen million, three hundred two thousand, five hundred fifty-six".