1540151027 has 2 divisors, whose sum is σ = 1540151028. Its totient is φ = 1540151026.

The previous prime is 1540150999. The next prime is 1540151029. The reversal of 1540151027 is 7201510451.

It is a strong prime.

It is an emirp because it is prime and its reverse (7201510451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1540151027 - 2¹² = 1540146931 is a prime.

Together with 1540151029, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1540150987 and 1540151005.

It is not a weakly prime, because it can be changed into another prime (1540151029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770075513 + 770075514.

It is an arithmetic number, because the mean of its divisors is an integer number (770075514).

Almost surely, 2^1540151027 is an apocalyptic number.

1540151027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1540151027 is an equidigital number, since it uses as much as digits as its factorization.

1540151027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 1540151027 is about 39244.7579556812. The cubic root of 1540151027 is about 1154.8380992811.

Adding to 1540151027 its reverse (7201510451), we get a palindrome (8741661478).

The spelling of 1540151027 in words is "one billion, five hundred forty million, one hundred fifty-one thousand, twenty-seven".