140112649 has 2 divisors, whose sum is σ = 140112650. Its totient is φ = 140112648.

The previous prime is 140112617. The next prime is 140112667. The reversal of 140112649 is 946211041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133518025 + 6594624 = 11555^2 + 2568^2 .

It is a cyclic number.

It is not a de Polignac number, because 140112649 - 2⁵ = 140112617 is a prime.

It is not a weakly prime, because it can be changed into another prime (140112449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70056324 + 70056325.

It is an arithmetic number, because the mean of its divisors is an integer number (70056325).

Almost surely, 2^140112649 is an apocalyptic number.

It is an amenable number.

140112649 is a deficient number, since it is larger than the sum of its proper divisors (1).

140112649 is an equidigital number, since it uses as much as digits as its factorization.

140112649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 140112649 is about 11836.9188980917. The cubic root of 140112649 is about 519.3886417216.

The spelling of 140112649 in words is "one hundred forty million, one hundred twelve thousand, six hundred forty-nine".