133543512904 has 8 divisors (see below), whose sum is σ = 250394086710. Its totient is φ = 66771756448.

The previous prime is 133543512857. The next prime is 133543512931. The reversal of 133543512904 is 409215345331.

It can be written as a sum of positive squares in only one way, i.e., 82466608900 + 51076904004 = 287170^2 + 226002^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8346469549 + ... + 8346469564.

Almost surely, 2^133543512904 is an apocalyptic number.

It is an amenable number.

133543512904 is a deficient number, since it is larger than the sum of its proper divisors (116850573806).

133543512904 is a wasteful number, since it uses less digits than its factorization.

133543512904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16692939119 (or 16692939115 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 133543512904 in words is "one hundred thirty-three billion, five hundred forty-three million, five hundred twelve thousand, nine hundred four".