133466031 has 48 divisors (see below), whose sum is σ = 211273920. Its totient is φ = 80870400.

The previous prime is 133466027. The next prime is 133466057. The reversal of 133466031 is 130664331.

133466031 is a `hidden beast` number, since 13 + 3 + 46 + 603 + 1 = 666.

It is not a de Polignac number, because 133466031 - 2² = 133466027 is a prime.

It is a super-2 number, since 2×133466031² = 35626362861785922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133465986 and 133466004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133466071) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 883806 + ... + 883956.

It is an arithmetic number, because the mean of its divisors is an integer number (4401540).

Almost surely, 2^133466031 is an apocalyptic number.

133466031 is a deficient number, since it is larger than the sum of its proper divisors (77807889).

133466031 is a wasteful number, since it uses less digits than its factorization.

133466031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 133466031 is about 11552.7499323754. The cubic root of 133466031 is about 511.0423778591.

The spelling of 133466031 in words is "one hundred thirty-three million, four hundred sixty-six thousand, thirty-one".