133123021480 has 64 divisors (see below), whose sum is σ = 301142273040. Its totient is φ = 52962772992.

The previous prime is 133123021477. The next prime is 133123021487. The reversal of 133123021480 is 84120321331.

It can be written as a sum of positive squares in 8 ways, for example, as 52781386564 + 80341634916 = 229742^2 + 283446^2 .

It is not an unprimeable number, because it can be changed into a prime (133123021487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5783274 + ... + 5806246.

Almost surely, 2^133123021480 is an apocalyptic number.

133123021480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133123021480 is an abundant number, since it is smaller than the sum of its proper divisors (168019251560).

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

133123021480 is a wasteful number, since it uses less digits than its factorization.

133123021480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23758 (or 23754 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 133123021480 in words is "one hundred thirty-three billion, one hundred twenty-three million, twenty-one thousand, four hundred eighty".