9134378707 has 2 divisors, whose sum is σ = 9134378708. Its totient is φ = 9134378706.

The previous prime is 9134378699. The next prime is 9134378719. The reversal of 9134378707 is 7078734319.

It is a weak prime.

It is an emirp because it is prime and its reverse (7078734319) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9134378707 - 2³ = 9134378699 is a prime.

It is not a weakly prime, because it can be changed into another prime (9134378777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4567189353 + 4567189354.

It is an arithmetic number, because the mean of its divisors is an integer number (4567189354).

Almost surely, 2^9134378707 is an apocalyptic number.

9134378707 is a deficient number, since it is larger than the sum of its proper divisors (1).

9134378707 is an equidigital number, since it uses as much as digits as its factorization.

9134378707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 889056, while the sum is 49.

The square root of 9134378707 is about 95573.9436614394. The cubic root of 9134378707 is about 2090.3852763015.

The spelling of 9134378707 in words is "nine billion, one hundred thirty-four million, three hundred seventy-eight thousand, seven hundred seven".