140770849 has 2 divisors, whose sum is σ = 140770850. Its totient is φ = 140770848.

The previous prime is 140770801. The next prime is 140770891. The reversal of 140770849 is 948077041.

140770849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94965025 + 45805824 = 9745^2 + 6768^2 .

It is an emirp because it is prime and its reverse (948077041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140770849 - 2²¹ = 138673697 is a prime.

It is not a weakly prime, because it can be changed into another prime (140773849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70385424 + 70385425.

It is an arithmetic number, because the mean of its divisors is an integer number (70385425).

Almost surely, 2^140770849 is an apocalyptic number.

It is an amenable number.

140770849 is a deficient number, since it is larger than the sum of its proper divisors (1).

140770849 is an equidigital number, since it uses as much as digits as its factorization.

140770849 is an evil number, because the sum of its binary digits is even.

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

The square root of 140770849 is about 11864.6891657557. The cubic root of 140770849 is about 520.2006732878.

The spelling of 140770849 in words is "one hundred forty million, seven hundred seventy thousand, eight hundred forty-nine".