9139156907 has 2 divisors, whose sum is σ = 9139156908. Its totient is φ = 9139156906.

The previous prime is 9139156891. The next prime is 9139156913. The reversal of 9139156907 is 7096519319.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9139156907 - 2⁴ = 9139156891 is a prime.

It is not a weakly prime, because it can be changed into another prime (9139152907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4569578453 + 4569578454.

It is an arithmetic number, because the mean of its divisors is an integer number (4569578454).

Almost surely, 2^9139156907 is an apocalyptic number.

9139156907 is a deficient number, since it is larger than the sum of its proper divisors (1).

9139156907 is an equidigital number, since it uses as much as digits as its factorization.

9139156907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 459270, while the sum is 50.

The square root of 9139156907 is about 95598.9377922161. The cubic root of 9139156907 is about 2090.7497067727.

The spelling of 9139156907 in words is "nine billion, one hundred thirty-nine million, one hundred fifty-six thousand, nine hundred seven".