133153111 has 8 divisors (see below), whose sum is σ = 163880864. Its totient is φ = 105351840.

The previous prime is 133153093. The next prime is 133153127. The reversal of 133153111 is 111351331.

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

It is a cyclic number.

It is not a de Polignac number, because 133153111 - 2⁵ = 133153079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133153171) 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, 731520 + ... + 731701.

It is an arithmetic number, because the mean of its divisors is an integer number (20485108).

Almost surely, 2^133153111 is an apocalyptic number.

133153111 is a deficient number, since it is larger than the sum of its proper divisors (30727753).

133153111 is a wasteful number, since it uses less digits than its factorization.

133153111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463241.

The product of its digits is 135, while the sum is 19.

The square root of 133153111 is about 11539.1988890044. The cubic root of 133153111 is about 510.6426743537.

The spelling of 133153111 in words is "one hundred thirty-three million, one hundred fifty-three thousand, one hundred eleven".