42036140087 has 2 divisors, whose sum is σ = 42036140088. Its totient is φ = 42036140086.

The previous prime is 42036140053. The next prime is 42036140119. The reversal of 42036140087 is 78004163024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42036140087 - 2¹⁰ = 42036139063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42036140017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21018070043 + 21018070044.

It is an arithmetic number, because the mean of its divisors is an integer number (21018070044).

Almost surely, 2^42036140087 is an apocalyptic number.

42036140087 is a deficient number, since it is larger than the sum of its proper divisors (1).

42036140087 is an equidigital number, since it uses as much as digits as its factorization.

42036140087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 42036140087 in words is "forty-two billion, thirty-six million, one hundred forty thousand, eighty-seven".