133198733384 has 8 divisors (see below), whose sum is σ = 249747625110. Its totient is φ = 66599366688.

The previous prime is 133198733383. The next prime is 133198733401. The reversal of 133198733384 is 483337891331.

It can be written as a sum of positive squares in only one way, i.e., 133115522500 + 83210884 = 364850^2 + 9122^2 .

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

It is not an unprimeable number, because it can be changed into a prime (133198733383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8324920829 + ... + 8324920844.

Almost surely, 2^133198733384 is an apocalyptic number.

It is an amenable number.

133198733384 is a deficient number, since it is larger than the sum of its proper divisors (116548891726).

133198733384 is a wasteful number, since it uses less digits than its factorization.

133198733384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16649841679 (or 16649841675 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 53.

The spelling of 133198733384 in words is "one hundred thirty-three billion, one hundred ninety-eight million, seven hundred thirty-three thousand, three hundred eighty-four".