2256138151 has 2 divisors, whose sum is σ = 2256138152. Its totient is φ = 2256138150.

The previous prime is 2256138127. The next prime is 2256138167. The reversal of 2256138151 is 1518316522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2256138151 - 2¹⁹ = 2255613863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2256138551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128069075 + 1128069076.

It is an arithmetic number, because the mean of its divisors is an integer number (1128069076).

Almost surely, 2^2256138151 is an apocalyptic number.

2256138151 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256138151 is an equidigital number, since it uses as much as digits as its factorization.

2256138151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 34.

The square root of 2256138151 is about 47498.8226275136. The cubic root of 2256138151 is about 1311.5612082292.

The spelling of 2256138151 in words is "two billion, two hundred fifty-six million, one hundred thirty-eight thousand, one hundred fifty-one".