133309448952 has 64 divisors (see below), whose sum is σ = 337472110080. Its totient is φ = 43878761472.

The previous prime is 133309448939. The next prime is 133309448969. The reversal of 133309448952 is 259844903331.

It is a junction number, because it is equal to n+sod(n) for n = 133309448895 and 133309448904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 966673 + ... + 1095935.

It is an arithmetic number, because the mean of its divisors is an integer number (5273001720).

Almost surely, 2^133309448952 is an apocalyptic number.

133309448952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133309448952 is an abundant number, since it is smaller than the sum of its proper divisors (204162661128).

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

133309448952 is a wasteful number, since it uses less digits than its factorization.

133309448952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129812 (or 129808 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 51.

The spelling of 133309448952 in words is "one hundred thirty-three billion, three hundred nine million, four hundred forty-eight thousand, nine hundred fifty-two".