1540086307 has 2 divisors, whose sum is σ = 1540086308. Its totient is φ = 1540086306.

The previous prime is 1540086299. The next prime is 1540086311. The reversal of 1540086307 is 7036800451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1540086307 - 2³ = 1540086299 is a prime.

It is not a weakly prime, because it can be changed into another prime (1540086367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770043153 + 770043154.

It is an arithmetic number, because the mean of its divisors is an integer number (770043154).

Almost surely, 2^1540086307 is an apocalyptic number.

1540086307 is a deficient number, since it is larger than the sum of its proper divisors (1).

1540086307 is an equidigital number, since it uses as much as digits as its factorization.

1540086307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 1540086307 is about 39243.9333782943. The cubic root of 1540086307 is about 1154.8219229089.

Adding to 1540086307 its reverse (7036800451), we get a palindrome (8576886758).

The spelling of 1540086307 in words is "one billion, five hundred forty million, eighty-six thousand, three hundred seven".