140244361 has 2 divisors, whose sum is σ = 140244362. Its totient is φ = 140244360.

The previous prime is 140244347. The next prime is 140244437. The reversal of 140244361 is 163442041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95942025 + 44302336 = 9795^2 + 6656^2 .

It is a cyclic number.

It is not a de Polignac number, because 140244361 - 2⁹ = 140243849 is a prime.

It is not a weakly prime, because it can be changed into another prime (140244161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70122180 + 70122181.

It is an arithmetic number, because the mean of its divisors is an integer number (70122181).

Almost surely, 2^140244361 is an apocalyptic number.

It is an amenable number.

140244361 is a deficient number, since it is larger than the sum of its proper divisors (1).

140244361 is an equidigital number, since it uses as much as digits as its factorization.

140244361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 140244361 is about 11842.4812011673. The cubic root of 140244361 is about 519.5513400752.

The spelling of 140244361 in words is "one hundred forty million, two hundred forty-four thousand, three hundred sixty-one".