2138127151 has 2 divisors, whose sum is σ = 2138127152. Its totient is φ = 2138127150.

The previous prime is 2138127139. The next prime is 2138127197. The reversal of 2138127151 is 1517218312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2138127151 - 2⁵ = 2138127119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2138127751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1069063575 + 1069063576.

It is an arithmetic number, because the mean of its divisors is an integer number (1069063576).

Almost surely, 2^2138127151 is an apocalyptic number.

2138127151 is a deficient number, since it is larger than the sum of its proper divisors (1).

2138127151 is an equidigital number, since it uses as much as digits as its factorization.

2138127151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 31.

The square root of 2138127151 is about 46239.8870132703. The cubic root of 2138127151 is about 1288.2827039692.

The spelling of 2138127151 in words is "two billion, one hundred thirty-eight million, one hundred twenty-seven thousand, one hundred fifty-one".