133355131 has 8 divisors (see below), whose sum is σ = 164129504. Its totient is φ = 105511680.

The previous prime is 133355107. The next prime is 133355143. The reversal of 133355131 is 131553331.

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 133355131 - 2⁵ = 133355099 is a prime.

It is a super-2 number, since 2×133355131² = 35567181928054322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133355096 and 133355105.

It is not an unprimeable number, because it can be changed into a prime (133355161) 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 7 ways as a sum of consecutive naturals, for example, 732630 + ... + 732811.

It is an arithmetic number, because the mean of its divisors is an integer number (20516188).

Almost surely, 2^133355131 is an apocalyptic number.

133355131 is a deficient number, since it is larger than the sum of its proper divisors (30774373).

133355131 is a wasteful number, since it uses less digits than its factorization.

133355131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465461.

The product of its digits is 2025, while the sum is 25.

The square root of 133355131 is about 11547.9492118731. The cubic root of 133355131 is about 510.9007930080.

The spelling of 133355131 in words is "one hundred thirty-three million, three hundred fifty-five thousand, one hundred thirty-one".