2135274371 has 2 divisors, whose sum is σ = 2135274372. Its totient is φ = 2135274370.

The previous prime is 2135274247. The next prime is 2135274433. The reversal of 2135274371 is 1734725312.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2135274371 - 2¹⁸ = 2135012227 is a prime.

It is not a weakly prime, because it can be changed into another prime (2135274671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067637185 + 1067637186.

It is an arithmetic number, because the mean of its divisors is an integer number (1067637186).

Almost surely, 2^2135274371 is an apocalyptic number.

2135274371 is a deficient number, since it is larger than the sum of its proper divisors (1).

2135274371 is an equidigital number, since it uses as much as digits as its factorization.

2135274371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 35.

The square root of 2135274371 is about 46209.0291068748. The cubic root of 2135274371 is about 1287.7094884687.

Adding to 2135274371 its reverse (1734725312), we get a palindrome (3869999683).

The spelling of 2135274371 in words is "two billion, one hundred thirty-five million, two hundred seventy-four thousand, three hundred seventy-one".