133016905780 has 24 divisors (see below), whose sum is σ = 304729639200. Its totient is φ = 48369783840.

The previous prime is 133016905771. The next prime is 133016905783. The reversal of 133016905780 is 87509610331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133016905783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302310930 + ... + 302311369.

It is an arithmetic number, because the mean of its divisors is an integer number (12697068300).

Almost surely, 2^133016905780 is an apocalyptic number.

133016905780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133016905780 is an abundant number, since it is smaller than the sum of its proper divisors (171712733420).

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

133016905780 is a wasteful number, since it uses less digits than its factorization.

133016905780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604622319 (or 604622317 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 133016905780 in words is "one hundred thirty-three billion, sixteen million, nine hundred five thousand, seven hundred eighty".