133428177996 has 48 divisors (see below), whose sum is σ = 328144924800. Its totient is φ = 42080366592.

The previous prime is 133428177983. The next prime is 133428177997. The reversal of 133428177996 is 699771824331.

It is not an unprimeable number, because it can be changed into a prime (133428177997) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 205170 + ... + 555833.

It is an arithmetic number, because the mean of its divisors is an integer number (6836352600).

Almost surely, 2^133428177996 is an apocalyptic number.

It is an amenable number.

133428177996 is an abundant number, since it is smaller than the sum of its proper divisors (194716746804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133428177996 is a wasteful number, since it uses less digits than its factorization.

133428177996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761798 (or 761796 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 60.

The spelling of 133428177996 in words is "one hundred thirty-three billion, four hundred twenty-eight million, one hundred seventy-seven thousand, nine hundred ninety-six".