134413231109 has 2 divisors, whose sum is σ = 134413231110. Its totient is φ = 134413231108.

The previous prime is 134413231079. The next prime is 134413231123. The reversal of 134413231109 is 901132314431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88355779009 + 46057452100 = 297247^2 + 214610^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134413231109 is a prime.

It is a super-2 number, since 2×134413231109² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134413231189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67206615554 + 67206615555.

It is an arithmetic number, because the mean of its divisors is an integer number (67206615555).

Almost surely, 2^134413231109 is an apocalyptic number.

It is an amenable number.

134413231109 is a deficient number, since it is larger than the sum of its proper divisors (1).

134413231109 is an equidigital number, since it uses as much as digits as its factorization.

134413231109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 134413231109 in words is "one hundred thirty-four billion, four hundred thirteen million, two hundred thirty-one thousand, one hundred nine".