133016456 has 8 divisors (see below), whose sum is σ = 249405870. Its totient is φ = 66508224.

The previous prime is 133016419. The next prime is 133016459. The reversal of 133016456 is 654610331.

It is a happy number.

133016456 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 130736356 + 2280100 = 11434^2 + 1510^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (133016459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8313521 + ... + 8313536.

Almost surely, 2^133016456 is an apocalyptic number.

It is an amenable number.

133016456 is a deficient number, since it is larger than the sum of its proper divisors (116389414).

133016456 is a wasteful number, since it uses less digits than its factorization.

133016456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16627063 (or 16627059 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 133016456 is about 11533.2760306862. The cubic root of 133016456 is about 510.4679237473.

Adding to 133016456 its reverse (654610331), we get a palindrome (787626787).

The spelling of 133016456 in words is "one hundred thirty-three million, sixteen thousand, four hundred fifty-six".