2135891167 has 2 divisors, whose sum is σ = 2135891168. Its totient is φ = 2135891166.

The previous prime is 2135891161. The next prime is 2135891249. The reversal of 2135891167 is 7611985312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2135891167 - 2⁷ = 2135891039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2135891161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067945583 + 1067945584.

It is an arithmetic number, because the mean of its divisors is an integer number (1067945584).

Almost surely, 2^2135891167 is an apocalyptic number.

2135891167 is a deficient number, since it is larger than the sum of its proper divisors (1).

2135891167 is an equidigital number, since it uses as much as digits as its factorization.

2135891167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 43.

The square root of 2135891167 is about 46215.7026020378. The cubic root of 2135891167 is about 1287.8334659161.

The spelling of 2135891167 in words is "two billion, one hundred thirty-five million, eight hundred ninety-one thousand, one hundred sixty-seven".