133366531055 has 8 divisors (see below), whose sum is σ = 160054041744. Its totient is φ = 106683755200.

The previous prime is 133366531031. The next prime is 133366531057. The reversal of 133366531055 is 550135663331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-133366531055 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133366531057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1121441 + ... + 1234650.

It is an arithmetic number, because the mean of its divisors is an integer number (20006755218).

Almost surely, 2^133366531055 is an apocalyptic number.

133366531055 is a deficient number, since it is larger than the sum of its proper divisors (26687510689).

133366531055 is a wasteful number, since it uses less digits than its factorization.

133366531055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367417.

The product of its (nonzero) digits is 364500, while the sum is 41.

The spelling of 133366531055 in words is "one hundred thirty-three billion, three hundred sixty-six million, five hundred thirty-one thousand, fifty-five".