133523606622540 has 48 divisors (see below), whose sum is σ = 390121146309888. Its totient is φ = 34058195312064.

The previous prime is 133523606622533. The next prime is 133523606622551. The reversal of 133523606622540 is 45226606325331.

It is a self number, because there is not a number n which added to its sum of digits gives 133523606622540.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48378116962 + ... + 48378119721.

It is an arithmetic number, because the mean of its divisors is an integer number (8127523881456).

Almost surely, 2^{133523606622540} is an apocalyptic number.

133523606622540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133523606622540 is an abundant number, since it is smaller than the sum of its proper divisors (256597539687348).

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

133523606622540 is a wasteful number, since it uses less digits than its factorization.

133523606622540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96756236718 (or 96756236716 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 48.

The spelling of 133523606622540 in words is "one hundred thirty-three trillion, five hundred twenty-three billion, six hundred six million, six hundred twenty-two thousand, five hundred forty".