133617008481 has 16 divisors (see below), whose sum is σ = 197646117120. Its totient is φ = 79607461520.

The previous prime is 133617008477. The next prime is 133617008509. The reversal of 133617008481 is 184800716331.

It is a cyclic number.

It is not a de Polignac number, because 133617008481 - 2² = 133617008477 is a prime.

It is a super-2 number, since 2×133617008481² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133617008401) 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, 34311615 + ... + 34315508.

It is an arithmetic number, because the mean of its divisors is an integer number (12352882320).

Almost surely, 2^133617008481 is an apocalyptic number.

133617008481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133617008481 is a deficient number, since it is larger than the sum of its proper divisors (64029108639).

133617008481 is a wasteful number, since it uses less digits than its factorization.

133617008481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68627196.

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 133617008481 in words is "one hundred thirty-three billion, six hundred seventeen million, eight thousand, four hundred eighty-one".