133247148709 has 2 divisors, whose sum is σ = 133247148710. Its totient is φ = 133247148708.

The previous prime is 133247148701. The next prime is 133247148719. The reversal of 133247148709 is 907841742331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117258304900 + 15988843809 = 342430^2 + 126447^2 .

It is a cyclic number.

It is not a de Polignac number, because 133247148709 - 2³ = 133247148701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133247148701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66623574354 + 66623574355.

It is an arithmetic number, because the mean of its divisors is an integer number (66623574355).

Almost surely, 2^133247148709 is an apocalyptic number.

It is an amenable number.

133247148709 is a deficient number, since it is larger than the sum of its proper divisors (1).

133247148709 is an equidigital number, since it uses as much as digits as its factorization.

133247148709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 133247148709 in words is "one hundred thirty-three billion, two hundred forty-seven million, one hundred forty-eight thousand, seven hundred nine".