133275486972 has 24 divisors (see below), whose sum is σ = 311077814992. Its totient is φ = 44410636800.

The previous prime is 133275486943. The next prime is 133275487013. The reversal of 133275486972 is 279684572331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1777429 + ... + 1850892.

Almost surely, 2^133275486972 is an apocalyptic number.

133275486972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133275486972 is an abundant number, since it is smaller than the sum of its proper divisors (177802328020).

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

133275486972 is a wasteful number, since it uses less digits than its factorization.

133275486972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3631389 (or 3631387 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 57.

The spelling of 133275486972 in words is "one hundred thirty-three billion, two hundred seventy-five million, four hundred eighty-six thousand, nine hundred seventy-two".