133498647672 has 32 divisors (see below), whose sum is σ = 359419436880. Its totient is φ = 41076506880.

The previous prime is 133498647671. The next prime is 133498647701. The reversal of 133498647672 is 276746894331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133498647671) 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 7 ways as a sum of consecutive naturals, for example, 213939829 + ... + 213940452.

Almost surely, 2^133498647672 is an apocalyptic number.

133498647672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133498647672 is an abundant number, since it is smaller than the sum of its proper divisors (225920789208).

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

133498647672 is a wasteful number, since it uses less digits than its factorization.

133498647672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427880303 (or 427880299 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 60.

The spelling of 133498647672 in words is "one hundred thirty-three billion, four hundred ninety-eight million, six hundred forty-seven thousand, six hundred seventy-two".