133772756550 has 96 divisors (see below), whose sum is σ = 332812746240. Its totient is φ = 35559388800.

The previous prime is 133772756531. The next prime is 133772756587. The reversal of 133772756550 is 55657277331.

133772756550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 133772756493 and 133772756502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114237465 + ... + 114238635.

It is an arithmetic number, because the mean of its divisors is an integer number (3466799440).

Almost surely, 2^133772756550 is an apocalyptic number.

133772756550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133772756550 is an abundant number, since it is smaller than the sum of its proper divisors (199039989690).

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

133772756550 is a wasteful number, since it uses less digits than its factorization.

133772756550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2958 (or 2953 counting only the distinct ones).

The product of its (nonzero) digits is 4630500, while the sum is 51.

The spelling of 133772756550 in words is "one hundred thirty-three billion, seven hundred seventy-two million, seven hundred fifty-six thousand, five hundred fifty".