1139021167 has 2 divisors, whose sum is σ = 1139021168. Its totient is φ = 1139021166.

The previous prime is 1139021159. The next prime is 1139021231. The reversal of 1139021167 is 7611209311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1139021167 - 2³ = 1139021159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1139028167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569510583 + 569510584.

It is an arithmetic number, because the mean of its divisors is an integer number (569510584).

Almost surely, 2^1139021167 is an apocalyptic number.

1139021167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139021167 is an equidigital number, since it uses as much as digits as its factorization.

1139021167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 1139021167 is about 33749.3876537042. The cubic root of 1139021167 is about 1044.3448552592.

The spelling of 1139021167 in words is "one billion, one hundred thirty-nine million, twenty-one thousand, one hundred sixty-seven".