133525020736 has 28 divisors (see below), whose sum is σ = 270601244928. Its totient is φ = 65342029952.

The previous prime is 133525020721. The next prime is 133525020773. The reversal of 133525020736 is 637020525331.

It is a junction number, because it is equal to n+sod(n) for n = 133525020695 and 133525020704.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22191976 + ... + 22197991.

It is an arithmetic number, because the mean of its divisors is an integer number (9664330176).

Almost surely, 2^133525020736 is an apocalyptic number.

133525020736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133525020736 is an abundant number, since it is smaller than the sum of its proper divisors (137076224192).

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

133525020736 is an equidigital number, since it uses as much as digits as its factorization.

133525020736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44390026 (or 44390016 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 37.

The spelling of 133525020736 in words is "one hundred thirty-three billion, five hundred twenty-five million, twenty thousand, seven hundred thirty-six".