140774147 has 2 divisors, whose sum is σ = 140774148. Its totient is φ = 140774146.

The previous prime is 140774143. The next prime is 140774167. The reversal of 140774147 is 741477041.

It is a weak prime.

It is an emirp because it is prime and its reverse (741477041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140774147 - 2² = 140774143 is a prime.

It is not a weakly prime, because it can be changed into another prime (140774143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70387073 + 70387074.

It is an arithmetic number, because the mean of its divisors is an integer number (70387074).

Almost surely, 2^140774147 is an apocalyptic number.

140774147 is a deficient number, since it is larger than the sum of its proper divisors (1).

140774147 is an equidigital number, since it uses as much as digits as its factorization.

140774147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21952, while the sum is 35.

The square root of 140774147 is about 11864.8281487765. The cubic root of 140774147 is about 520.2047357019.

The spelling of 140774147 in words is "one hundred forty million, seven hundred seventy-four thousand, one hundred forty-seven".