133013057 has 2 divisors, whose sum is σ = 133013058. Its totient is φ = 133013056.

The previous prime is 133013051. The next prime is 133013059. The reversal of 133013057 is 750310331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130051216 + 2961841 = 11404^2 + 1721^2 .

It is an emirp because it is prime and its reverse (750310331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133013057 - 2⁸ = 133012801 is a prime.

Together with 133013059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133013051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66506528 + 66506529.

It is an arithmetic number, because the mean of its divisors is an integer number (66506529).

Almost surely, 2^133013057 is an apocalyptic number.

It is an amenable number.

133013057 is a deficient number, since it is larger than the sum of its proper divisors (1).

133013057 is an equidigital number, since it uses as much as digits as its factorization.

133013057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945, while the sum is 23.

The square root of 133013057 is about 11533.1286735213. The cubic root of 133013057 is about 510.4635756756.

Adding to 133013057 its reverse (750310331), we get a palindrome (883323388).

The spelling of 133013057 in words is "one hundred thirty-three million, thirteen thousand, fifty-seven".