134242263157 has 2 divisors, whose sum is σ = 134242263158. Its totient is φ = 134242263156.

The previous prime is 134242263139. The next prime is 134242263161. The reversal of 134242263157 is 751362242431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110366141796 + 23876121361 = 332214^2 + 154519^2 .

It is a cyclic number.

It is not a de Polignac number, because 134242263157 - 2¹⁵ = 134242230389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134242263107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67121131578 + 67121131579.

It is an arithmetic number, because the mean of its divisors is an integer number (67121131579).

Almost surely, 2^134242263157 is an apocalyptic number.

It is an amenable number.

134242263157 is a deficient number, since it is larger than the sum of its proper divisors (1).

134242263157 is an equidigital number, since it uses as much as digits as its factorization.

134242263157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 40.

The spelling of 134242263157 in words is "one hundred thirty-four billion, two hundred forty-two million, two hundred sixty-three thousand, one hundred fifty-seven".