133416855 has 64 divisors (see below), whose sum is σ = 278691840. Its totient is φ = 59702400.

The previous prime is 133416853. The next prime is 133416863. The reversal of 133416855 is 558614331.

It is not a de Polignac number, because 133416855 - 2¹ = 133416853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133416851) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 15850 + ... + 22760.

It is an arithmetic number, because the mean of its divisors is an integer number (4354560).

Almost surely, 2^133416855 is an apocalyptic number.

133416855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133416855 is an abundant number, since it is smaller than the sum of its proper divisors (145274985).

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

133416855 is a wasteful number, since it uses less digits than its factorization.

133416855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6949 (or 6943 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 133416855 is about 11550.6214118549. The cubic root of 133416855 is about 510.9796050648.

The spelling of 133416855 in words is "one hundred thirty-three million, four hundred sixteen thousand, eight hundred fifty-five".