133391111671 has 2 divisors, whose sum is σ = 133391111672. Its totient is φ = 133391111670.

The previous prime is 133391111657. The next prime is 133391111681. The reversal of 133391111671 is 176111193331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133391111671 - 2¹³ = 133391103479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133391111671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133391111681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66695555835 + 66695555836.

It is an arithmetic number, because the mean of its divisors is an integer number (66695555836).

Almost surely, 2^133391111671 is an apocalyptic number.

133391111671 is a deficient number, since it is larger than the sum of its proper divisors (1).

133391111671 is an equidigital number, since it uses as much as digits as its factorization.

133391111671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10206, while the sum is 37.

The spelling of 133391111671 in words is "one hundred thirty-three billion, three hundred ninety-one million, one hundred eleven thousand, six hundred seventy-one".