133243403124157 has 2 divisors, whose sum is σ = 133243403124158. Its totient is φ = 133243403124156.

The previous prime is 133243403124121. The next prime is 133243403124187. The reversal of 133243403124157 is 751421304342331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71609268875076 + 61634134249081 = 8462226^2 + 7850741^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133243403124157 is a prime.

It is a super-2 number, since 2×133243403124157² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133243403124187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66621701562078 + 66621701562079.

It is an arithmetic number, because the mean of its divisors is an integer number (66621701562079).

Almost surely, 2^{133243403124157} is an apocalyptic number.

It is an amenable number.

133243403124157 is a deficient number, since it is larger than the sum of its proper divisors (1).

133243403124157 is an equidigital number, since it uses as much as digits as its factorization.

133243403124157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 43.

Adding to 133243403124157 its reverse (751421304342331), we get a palindrome (884664707466488).

The spelling of 133243403124157 in words is "one hundred thirty-three trillion, two hundred forty-three billion, four hundred three million, one hundred twenty-four thousand, one hundred fifty-seven".