1565140151 has 2 divisors, whose sum is σ = 1565140152. Its totient is φ = 1565140150.

The previous prime is 1565140127. The next prime is 1565140153. The reversal of 1565140151 is 1510415651.

It is a strong prime.

It is an emirp because it is prime and its reverse (1510415651) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1565140151 - 2²² = 1560945847 is a prime.

Together with 1565140153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1565140153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 782570075 + 782570076.

It is an arithmetic number, because the mean of its divisors is an integer number (782570076).

Almost surely, 2^1565140151 is an apocalyptic number.

1565140151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1565140151 is an equidigital number, since it uses as much as digits as its factorization.

1565140151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000, while the sum is 29.

The square root of 1565140151 is about 39561.8522190253. The cubic root of 1565140151 is about 1161.0504137230.

The spelling of 1565140151 in words is "one billion, five hundred sixty-five million, one hundred forty thousand, one hundred fifty-one".