133657289284 has 12 divisors (see below), whose sum is σ = 234407635308. Its totient is φ = 66683679200.

The previous prime is 133657289243. The next prime is 133657289309. The reversal of 133657289284 is 482982756331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 65469456900 + 68187832384 = 255870^2 + 261128^2 .

It is a super-2 number, since 2×133657289284² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 36239287 + ... + 36242974.

It is an arithmetic number, because the mean of its divisors is an integer number (19533969609).

Almost surely, 2^133657289284 is an apocalyptic number.

It is an amenable number.

133657289284 is a deficient number, since it is larger than the sum of its proper divisors (100750346024).

133657289284 is a wasteful number, since it uses less digits than its factorization.

133657289284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72482726 (or 72482724 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 58.

The spelling of 133657289284 in words is "one hundred thirty-three billion, six hundred fifty-seven million, two hundred eighty-nine thousand, two hundred eighty-four".