140097847 has 2 divisors, whose sum is σ = 140097848. Its totient is φ = 140097846.

The previous prime is 140097829. The next prime is 140097857. The reversal of 140097847 is 748790041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140097847 - 2⁷ = 140097719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140097857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70048923 + 70048924.

It is an arithmetic number, because the mean of its divisors is an integer number (70048924).

Almost surely, 2^140097847 is an apocalyptic number.

140097847 is a deficient number, since it is larger than the sum of its proper divisors (1).

140097847 is an equidigital number, since it uses as much as digits as its factorization.

140097847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 140097847 is about 11836.2936344111. The cubic root of 140097847 is about 519.3703510546.

The spelling of 140097847 in words is "one hundred forty million, ninety-seven thousand, eight hundred forty-seven".