133325651780 has 24 divisors (see below), whose sum is σ = 282027552408. Its totient is φ = 52940987648.

The previous prime is 133325651747. The next prime is 133325651819. The reversal of 133325651780 is 87156523331.

It can be written as a sum of positive squares in 4 ways, for example, as 2928108544 + 130397543236 = 54112^2 + 361106^2 .

It is a super-3 number, since 3×133325651780³ (a number of 34 digits) contains 333 as substring.

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, 24326759 + ... + 24332238.

It is an arithmetic number, because the mean of its divisors is an integer number (11751148017).

Almost surely, 2^133325651780 is an apocalyptic number.

133325651780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133325651780 is an abundant number, since it is smaller than the sum of its proper divisors (148701900628).

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

133325651780 is a wasteful number, since it uses less digits than its factorization.

133325651780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48659143 (or 48659141 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 133325651780 in words is "one hundred thirty-three billion, three hundred twenty-five million, six hundred fifty-one thousand, seven hundred eighty".