134131429 has 2 divisors, whose sum is σ = 134131430. Its totient is φ = 134131428.

The previous prime is 134131427. The next prime is 134131453. The reversal of 134131429 is 924131431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96000804 + 38130625 = 9798^2 + 6175^2 .

It is a cyclic number.

It is not a de Polignac number, because 134131429 - 2¹ = 134131427 is a prime.

Together with 134131427, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 134131397 and 134131406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134131421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67065714 + 67065715.

It is an arithmetic number, because the mean of its divisors is an integer number (67065715).

Almost surely, 2^134131429 is an apocalyptic number.

It is an amenable number.

134131429 is a deficient number, since it is larger than the sum of its proper divisors (1).

134131429 is an equidigital number, since it uses as much as digits as its factorization.

134131429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 28.

The square root of 134131429 is about 11581.5123796506. The cubic root of 134131429 is about 511.8902416195.

The spelling of 134131429 in words is "one hundred thirty-four million, one hundred thirty-one thousand, four hundred twenty-nine".