133489738852 has 6 divisors (see below), whose sum is σ = 233607042998. Its totient is φ = 66744869424.

The previous prime is 133489738829. The next prime is 133489738853. The reversal of 133489738852 is 258837984331.

It can be written as a sum of positive squares in only one way, i.e., 125814927616 + 7674811236 = 354704^2 + 87606^2 .

It is not an unprimeable number, because it can be changed into a prime (133489738853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16686217353 + ... + 16686217360.

Almost surely, 2^133489738852 is an apocalyptic number.

It is an amenable number.

133489738852 is a deficient number, since it is larger than the sum of its proper divisors (100117304146).

133489738852 is a wasteful number, since it uses less digits than its factorization.

133489738852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33372434717 (or 33372434715 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 61.

The spelling of 133489738852 in words is "one hundred thirty-three billion, four hundred eighty-nine million, seven hundred thirty-eight thousand, eight hundred fifty-two".