133645744524 has 24 divisors (see below), whose sum is σ = 312965854768. Its totient is φ = 44387755200.

The previous prime is 133645744523. The next prime is 133645744537. The reversal of 133645744524 is 425447546331.

It is a super-2 number, since 2×133645744524² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133645744523) 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, 20099827 + ... + 20106474.

Almost surely, 2^133645744524 is an apocalyptic number.

It is an amenable number.

133645744524 is an abundant number, since it is smaller than the sum of its proper divisors (179320110244).

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

133645744524 is a wasteful number, since it uses less digits than its factorization.

133645744524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40206585 (or 40206583 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 48.

The spelling of 133645744524 in words is "one hundred thirty-three billion, six hundred forty-five million, seven hundred forty-four thousand, five hundred twenty-four".