133461333940 has 24 divisors (see below), whose sum is σ = 305747783712. Its totient is φ = 48531394080.

The previous prime is 133461333899. The next prime is 133461333949. The reversal of 133461333940 is 49333164331.

It is a junction number, because it is equal to n+sod(n) for n = 133461333893 and 133461333902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133461333949) 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, 303320994 + ... + 303321433.

It is an arithmetic number, because the mean of its divisors is an integer number (12739490988).

Almost surely, 2^133461333940 is an apocalyptic number.

133461333940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133461333940 is an abundant number, since it is smaller than the sum of its proper divisors (172286449772).

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

133461333940 is a wasteful number, since it uses less digits than its factorization.

133461333940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606642447 (or 606642445 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 40.

The spelling of 133461333940 in words is "one hundred thirty-three billion, four hundred sixty-one million, three hundred thirty-three thousand, nine hundred forty".