133309754769720 has 128 divisors (see below), whose sum is σ = 404099375803200. Its totient is φ = 35178676862976.

The previous prime is 133309754769691. The next prime is 133309754769787. The reversal of 133309754769720 is 27967457903331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99777942 + ... + 101105178.

Almost surely, 2^{133309754769720} is an apocalyptic number.

133309754769720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133309754769720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202049687901600).

133309754769720 is an abundant number, since it is smaller than the sum of its proper divisors (270789621033480).

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

133309754769720 is a wasteful number, since it uses less digits than its factorization.

133309754769720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335977 (or 1335973 counting only the distinct ones).

The product of its (nonzero) digits is 180033840, while the sum is 66.

The spelling of 133309754769720 in words is "one hundred thirty-three trillion, three hundred nine billion, seven hundred fifty-four million, seven hundred sixty-nine thousand, seven hundred twenty".