134437461869 has 2 divisors, whose sum is σ = 134437461870. Its totient is φ = 134437461868.

The previous prime is 134437461857. The next prime is 134437461871. The reversal of 134437461869 is 968164734431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131167108900 + 3270352969 = 362170^2 + 57187^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134437461869 is a prime.

It is a super-2 number, since 2×134437461869² (a number of 23 digits) contains 22 as substring.

Together with 134437461871, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134437461569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67218730934 + 67218730935.

It is an arithmetic number, because the mean of its divisors is an integer number (67218730935).

Almost surely, 2^134437461869 is an apocalyptic number.

It is an amenable number.

134437461869 is a deficient number, since it is larger than the sum of its proper divisors (1).

134437461869 is an equidigital number, since it uses as much as digits as its factorization.

134437461869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10450944, while the sum is 56.

The spelling of 134437461869 in words is "one hundred thirty-four billion, four hundred thirty-seven million, four hundred sixty-one thousand, eight hundred sixty-nine".