133551105 has 8 divisors (see below), whose sum is σ = 213681792. Its totient is φ = 71227248.

The previous prime is 133551097. The next prime is 133551127. The reversal of 133551105 is 501155331.

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

It is not a de Polignac number, because 133551105 - 2³ = 133551097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4451689 + ... + 4451718.

It is an arithmetic number, because the mean of its divisors is an integer number (26710224).

Almost surely, 2^133551105 is an apocalyptic number.

133551105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133551105 is a deficient number, since it is larger than the sum of its proper divisors (80130687).

133551105 is an equidigital number, since it uses as much as digits as its factorization.

133551105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8903415.

The product of its (nonzero) digits is 1125, while the sum is 24.

The square root of 133551105 is about 11556.4313263222. The cubic root of 133551105 is about 511.1509377791.

The spelling of 133551105 in words is "one hundred thirty-three million, five hundred fifty-one thousand, one hundred five".