133845111 has 12 divisors (see below), whose sum is σ = 197828488. Its totient is φ = 87154704.

The previous prime is 133845091. The next prime is 133845157. The reversal of 133845111 is 111548331.

It is not a de Polignac number, because 133845111 - 2⁵ = 133845079 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 (133845161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172540 + ... + 173313.

Almost surely, 2^133845111 is an apocalyptic number.

133845111 is a deficient number, since it is larger than the sum of its proper divisors (63983377).

133845111 is a wasteful number, since it uses less digits than its factorization.

133845111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345902 (or 345899 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 133845111 is about 11569.1447825671. The cubic root of 133845111 is about 511.5257538424.

It can be divided in two parts, 133845 and 111, that added together give a square (133956 = 366²).

The spelling of 133845111 in words is "one hundred thirty-three million, eight hundred forty-five thousand, one hundred eleven".