134091407 has 2 divisors, whose sum is σ = 134091408. Its totient is φ = 134091406.

The previous prime is 134091401. The next prime is 134091409. The reversal of 134091407 is 704190431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134091407 is a prime.

Together with 134091409, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134091407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134091401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67045703 + 67045704.

It is an arithmetic number, because the mean of its divisors is an integer number (67045704).

Almost surely, 2^134091407 is an apocalyptic number.

134091407 is a deficient number, since it is larger than the sum of its proper divisors (1).

134091407 is an equidigital number, since it uses as much as digits as its factorization.

134091407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 134091407 is about 11579.7844107738. The cubic root of 134091407 is about 511.8393241242.

The spelling of 134091407 in words is "one hundred thirty-four million, ninety-one thousand, four hundred seven".