140251747 has 2 divisors, whose sum is σ = 140251748. Its totient is φ = 140251746.

The previous prime is 140251733. The next prime is 140251799. The reversal of 140251747 is 747152041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140251747 - 2¹⁵ = 140218979 is a prime.

It is not a weakly prime, because it can be changed into another prime (140251247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70125873 + 70125874.

It is an arithmetic number, because the mean of its divisors is an integer number (70125874).

Almost surely, 2^140251747 is an apocalyptic number.

140251747 is a deficient number, since it is larger than the sum of its proper divisors (1).

140251747 is an equidigital number, since it uses as much as digits as its factorization.

140251747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 140251747 is about 11842.7930404951. The cubic root of 140251747 is about 519.5604606768.

The spelling of 140251747 in words is "one hundred forty million, two hundred fifty-one thousand, seven hundred forty-seven".