134403402131 has 2 divisors, whose sum is σ = 134403402132. Its totient is φ = 134403402130.

The previous prime is 134403402061. The next prime is 134403402151. The reversal of 134403402131 is 131204304431.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (131204304431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134403402131 - 2¹⁰ = 134403401107 is a prime.

It is a super-2 number, since 2×134403402131² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 134403402131.

It is not a weakly prime, because it can be changed into another prime (134403402151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67201701065 + 67201701066.

It is an arithmetic number, because the mean of its divisors is an integer number (67201701066).

Almost surely, 2^134403402131 is an apocalyptic number.

134403402131 is a deficient number, since it is larger than the sum of its proper divisors (1).

134403402131 is an equidigital number, since it uses as much as digits as its factorization.

134403402131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 134403402131 its reverse (131204304431), we get a palindrome (265607706562).

The spelling of 134403402131 in words is "one hundred thirty-four billion, four hundred three million, four hundred two thousand, one hundred thirty-one".