133703545531 has 8 divisors (see below), whose sum is σ = 141630893280. Its totient is φ = 125783134848.

The previous prime is 133703545519. The next prime is 133703545561. The reversal of 133703545531 is 135545307331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133703545531 - 2²¹ = 133701448379 is a prime.

It is a super-2 number, since 2×133703545531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133703545561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1694551 + ... + 1771696.

It is an arithmetic number, because the mean of its divisors is an integer number (17703861660).

Almost surely, 2^133703545531 is an apocalyptic number.

133703545531 is a deficient number, since it is larger than the sum of its proper divisors (7927347749).

133703545531 is a wasteful number, since it uses less digits than its factorization.

133703545531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3468533.

The product of its (nonzero) digits is 283500, while the sum is 40.

The spelling of 133703545531 in words is "one hundred thirty-three billion, seven hundred three million, five hundred forty-five thousand, five hundred thirty-one".