133637831055 has 96 divisors (see below), whose sum is σ = 236291328000. Its totient is φ = 69861844224.

The previous prime is 133637831053. The next prime is 133637831069. The reversal of 133637831055 is 550138736331.

133637831055 is a `hidden beast` number, since 1 + 3 + 3 + 637 + 8 + 3 + 1 + 0 + 5 + 5 = 666.

It is not a de Polignac number, because 133637831055 - 2¹ = 133637831053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 133637831055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133637831053) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 207834564 + ... + 207835206.

It is an arithmetic number, because the mean of its divisors is an integer number (2461368000).

Almost surely, 2^133637831055 is an apocalyptic number.

133637831055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133637831055 is a deficient number, since it is larger than the sum of its proper divisors (102653496945).

133637831055 is a wasteful number, since it uses less digits than its factorization.

133637831055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165 (or 1162 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The spelling of 133637831055 in words is "one hundred thirty-three billion, six hundred thirty-seven million, eight hundred thirty-one thousand, fifty-five".