133381770744 has 64 divisors (see below), whose sum is σ = 337171161600. Its totient is φ = 43966256256.

The previous prime is 133381770733. The next prime is 133381770749. The reversal of 133381770744 is 447077183331.

It is a junction number, because it is equal to n+sod(n) for n = 133381770693 and 133381770702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133381770749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1714597 + ... + 1790699.

It is an arithmetic number, because the mean of its divisors is an integer number (5268299400).

Almost surely, 2^133381770744 is an apocalyptic number.

It is an amenable number.

133381770744 is an abundant number, since it is smaller than the sum of its proper divisors (203789390856).

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

133381770744 is a wasteful number, since it uses less digits than its factorization.

133381770744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76924 (or 76920 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 48.

The spelling of 133381770744 in words is "one hundred thirty-three billion, three hundred eighty-one million, seven hundred seventy thousand, seven hundred forty-four".