10235140087 has 2 divisors, whose sum is σ = 10235140088. Its totient is φ = 10235140086.

The previous prime is 10235140081. The next prime is 10235140117. The reversal of 10235140087 is 78004153201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10235140087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10235140081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5117570043 + 5117570044.

It is an arithmetic number, because the mean of its divisors is an integer number (5117570044).

Almost surely, 2^10235140087 is an apocalyptic number.

10235140087 is a deficient number, since it is larger than the sum of its proper divisors (1).

10235140087 is an equidigital number, since it uses as much as digits as its factorization.

10235140087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

Adding to 10235140087 its reverse (78004153201), we get a palindrome (88239293288).

The spelling of 10235140087 in words is "ten billion, two hundred thirty-five million, one hundred forty thousand, eighty-seven".