133325539 has 2 divisors, whose sum is σ = 133325540. Its totient is φ = 133325538.

The previous prime is 133325537. The next prime is 133325551. The reversal of 133325539 is 935523331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133325539 - 2¹ = 133325537 is a prime.

Together with 133325537, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (133325537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66662769 + 66662770.

It is an arithmetic number, because the mean of its divisors is an integer number (66662770).

Almost surely, 2^133325539 is an apocalyptic number.

133325539 is a deficient number, since it is larger than the sum of its proper divisors (1).

133325539 is an equidigital number, since it uses as much as digits as its factorization.

133325539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36450, while the sum is 34.

The square root of 133325539 is about 11546.6678743263. The cubic root of 133325539 is about 510.8629999498.

The spelling of 133325539 in words is "one hundred thirty-three million, three hundred twenty-five thousand, five hundred thirty-nine".