140244787 has 2 divisors, whose sum is σ = 140244788. Its totient is φ = 140244786.

The previous prime is 140244761. The next prime is 140244791. The reversal of 140244787 is 787442041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140244787 - 2⁷ = 140244659 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140244707) 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, 70122393 + 70122394.

It is an arithmetic number, because the mean of its divisors is an integer number (70122394).

Almost surely, 2^140244787 is an apocalyptic number.

140244787 is a deficient number, since it is larger than the sum of its proper divisors (1).

140244787 is an equidigital number, since it uses as much as digits as its factorization.

140244787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50176, while the sum is 37.

The square root of 140244787 is about 11842.4991872493. The cubic root of 140244787 is about 519.5518661299.

The spelling of 140244787 in words is "one hundred forty million, two hundred forty-four thousand, seven hundred eighty-seven".