133073461 has 2 divisors, whose sum is σ = 133073462. Its totient is φ = 133073460.

The previous prime is 133073453. The next prime is 133073477. The reversal of 133073461 is 164370331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128368900 + 4704561 = 11330^2 + 2169^2 .

It is a cyclic number.

It is not a de Polignac number, because 133073461 - 2³ = 133073453 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133073401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66536730 + 66536731.

It is an arithmetic number, because the mean of its divisors is an integer number (66536731).

Almost surely, 2^133073461 is an apocalyptic number.

It is an amenable number.

133073461 is a deficient number, since it is larger than the sum of its proper divisors (1).

133073461 is an equidigital number, since it uses as much as digits as its factorization.

133073461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 133073461 is about 11535.7470932749. The cubic root of 133073461 is about 510.5408346963.

The spelling of 133073461 in words is "one hundred thirty-three million, seventy-three thousand, four hundred sixty-one".