1138917007 has 2 divisors, whose sum is σ = 1138917008. Its totient is φ = 1138917006.

The previous prime is 1138916993. The next prime is 1138917037. The reversal of 1138917007 is 7007198311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1138917007 - 2⁷ = 1138916879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1138917037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569458503 + 569458504.

It is an arithmetic number, because the mean of its divisors is an integer number (569458504).

Almost surely, 2^1138917007 is an apocalyptic number.

1138917007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1138917007 is an equidigital number, since it uses as much as digits as its factorization.

1138917007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 37.

The square root of 1138917007 is about 33747.8444793145. The cubic root of 1138917007 is about 1044.3130202418.

The spelling of 1138917007 in words is "one billion, one hundred thirty-eight million, nine hundred seventeen thousand, seven".