2140154998907 has 2 divisors, whose sum is σ = 2140154998908. Its totient is φ = 2140154998906.

The previous prime is 2140154998903. The next prime is 2140154998913. The reversal of 2140154998907 is 7098994510412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2140154998907 - 2² = 2140154998903 is a prime.

It is not a weakly prime, because it can be changed into another prime (2140154998903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070077499453 + 1070077499454.

It is an arithmetic number, because the mean of its divisors is an integer number (1070077499454).

Almost surely, 2^{2140154998907} is an apocalyptic number.

2140154998907 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140154998907 is an equidigital number, since it uses as much as digits as its factorization.

2140154998907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 59.

The spelling of 2140154998907 in words is "two trillion, one hundred forty billion, one hundred fifty-four million, nine hundred ninety-eight thousand, nine hundred seven".