133364724 has 48 divisors (see below), whose sum is σ = 336436800. Its totient is φ = 40974336.

The previous prime is 133364723. The next prime is 133364729. The reversal of 133364724 is 427463331.

It is a super-2 number, since 2×133364724² = 35572299215192352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133364723) 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, 532 + ... + 16340.

It is an arithmetic number, because the mean of its divisors is an integer number (7009100).

Almost surely, 2^133364724 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133364724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168218400).

133364724 is an abundant number, since it is smaller than the sum of its proper divisors (203072076).

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

133364724 is a wasteful number, since it uses less digits than its factorization.

133364724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15872 (or 15870 counting only the distinct ones).

The product of its digits is 36288, while the sum is 33.

The square root of 133364724 is about 11548.3645595383. The cubic root of 133364724 is about 510.9130433898.

The spelling of 133364724 in words is "one hundred thirty-three million, three hundred sixty-four thousand, seven hundred twenty-four".