133417716531 has 16 divisors (see below), whose sum is σ = 194068525440. Its totient is φ = 80856558720.

The previous prime is 133417716521. The next prime is 133417716533. The reversal of 133417716531 is 135617714331.

It is not a de Polignac number, because 133417716531 - 2¹⁰ = 133417715507 is a prime.

It is a super-2 number, since 2×133417716531² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133417716533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1501851 + ... + 1588203.

It is an arithmetic number, because the mean of its divisors is an integer number (12129282840).

Almost surely, 2^133417716531 is an apocalyptic number.

133417716531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133417716531 is a deficient number, since it is larger than the sum of its proper divisors (60650808909).

133417716531 is a wasteful number, since it uses less digits than its factorization.

133417716531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133186.

The product of its digits is 158760, while the sum is 42.

It can be divided in two parts, 133417 and 716531, that added together give a palindrome (849948).

The spelling of 133417716531 in words is "one hundred thirty-three billion, four hundred seventeen million, seven hundred sixteen thousand, five hundred thirty-one".