140656441 has 2 divisors, whose sum is σ = 140656442. Its totient is φ = 140656440.

The previous prime is 140656433. The next prime is 140656469. The reversal of 140656441 is 144656041.

140656441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125910841 + 14745600 = 11221^2 + 3840^2 .

It is a cyclic number.

It is not a de Polignac number, because 140656441 - 2³ = 140656433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140656471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70328220 + 70328221.

It is an arithmetic number, because the mean of its divisors is an integer number (70328221).

Almost surely, 2^140656441 is an apocalyptic number.

It is an amenable number.

140656441 is a deficient number, since it is larger than the sum of its proper divisors (1).

140656441 is an equidigital number, since it uses as much as digits as its factorization.

140656441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 140656441 is about 11859.8668205001. The cubic root of 140656441 is about 520.0597083805.

The spelling of 140656441 in words is "one hundred forty million, six hundred fifty-six thousand, four hundred forty-one".