134907791 has 2 divisors, whose sum is σ = 134907792. Its totient is φ = 134907790.

The previous prime is 134907769. The next prime is 134907853. The reversal of 134907791 is 197709431.

It is a weak prime.

It is an emirp because it is prime and its reverse (197709431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134907791 - 2²² = 130713487 is a prime.

It is a super-2 number, since 2×134907791² = 36400224144999362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134907761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67453895 + 67453896.

It is an arithmetic number, because the mean of its divisors is an integer number (67453896).

Almost surely, 2^134907791 is an apocalyptic number.

134907791 is a deficient number, since it is larger than the sum of its proper divisors (1).

134907791 is an equidigital number, since it uses as much as digits as its factorization.

134907791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 134907791 is about 11614.9813172471. The cubic root of 134907791 is about 512.8759609774.

The spelling of 134907791 in words is "one hundred thirty-four million, nine hundred seven thousand, seven hundred ninety-one".