133071623429 has 2 divisors, whose sum is σ = 133071623430. Its totient is φ = 133071623428.

The previous prime is 133071623413. The next prime is 133071623441. The reversal of 133071623429 is 924326170331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117359000929 + 15712622500 = 342577^2 + 125350^2 .

It is a cyclic number.

It is not a de Polignac number, because 133071623429 - 2⁴ = 133071623413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133071623029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66535811714 + 66535811715.

It is an arithmetic number, because the mean of its divisors is an integer number (66535811715).

Almost surely, 2^133071623429 is an apocalyptic number.

It is an amenable number.

133071623429 is a deficient number, since it is larger than the sum of its proper divisors (1).

133071623429 is an equidigital number, since it uses as much as digits as its factorization.

133071623429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 41.

The spelling of 133071623429 in words is "one hundred thirty-three billion, seventy-one million, six hundred twenty-three thousand, four hundred twenty-nine".