133150973 has 2 divisors, whose sum is σ = 133150974. Its totient is φ = 133150972.

The previous prime is 133150961. The next prime is 133151003. The reversal of 133150973 is 379051331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104816644 + 28334329 = 10238^2 + 5323^2 .

It is an emirp because it is prime and its reverse (379051331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133150973 - 2¹⁸ = 132888829 is a prime.

It is a super-2 number, since 2×133150973² = 35458363221693458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133150943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66575486 + 66575487.

It is an arithmetic number, because the mean of its divisors is an integer number (66575487).

Almost surely, 2^133150973 is an apocalyptic number.

It is an amenable number.

133150973 is a deficient number, since it is larger than the sum of its proper divisors (1).

133150973 is an equidigital number, since it uses as much as digits as its factorization.

133150973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8505, while the sum is 32.

The square root of 133150973 is about 11539.1062478859. The cubic root of 133150973 is about 510.6399412597.

The spelling of 133150973 in words is "one hundred thirty-three million, one hundred fifty thousand, nine hundred seventy-three".