133134431371 has 2 divisors, whose sum is σ = 133134431372. Its totient is φ = 133134431370.

The previous prime is 133134431347. The next prime is 133134431389. The reversal of 133134431371 is 173134431331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133134431371 - 2¹⁵ = 133134398603 is a prime.

It is not a weakly prime, because it can be changed into another prime (133134431471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66567215685 + 66567215686.

It is an arithmetic number, because the mean of its divisors is an integer number (66567215686).

Almost surely, 2^133134431371 is an apocalyptic number.

133134431371 is a deficient number, since it is larger than the sum of its proper divisors (1).

133134431371 is an equidigital number, since it uses as much as digits as its factorization.

133134431371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 34.

The spelling of 133134431371 in words is "one hundred thirty-three billion, one hundred thirty-four million, four hundred thirty-one thousand, three hundred seventy-one".