133875776428 has 6 divisors (see below), whose sum is σ = 234282608756. Its totient is φ = 66937888212.

The previous prime is 133875776401. The next prime is 133875776449. The reversal of 133875776428 is 824677578331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16734472050 + ... + 16734472057.

Almost surely, 2^133875776428 is an apocalyptic number.

It is an amenable number.

133875776428 is a deficient number, since it is larger than the sum of its proper divisors (100406832328).

133875776428 is a wasteful number, since it uses less digits than its factorization.

133875776428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33468944111 (or 33468944109 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 61.

The spelling of 133875776428 in words is "one hundred thirty-three billion, eight hundred seventy-five million, seven hundred seventy-six thousand, four hundred twenty-eight".