140108049 has 20 divisors (see below), whose sum is σ = 209872564. Its totient is φ = 93148704.

The previous prime is 140108041. The next prime is 140108057. The reversal of 140108049 is 940801041.

It is an interprime number because it is at equal distance from previous prime (140108041) and next prime (140108057).

It can be written as a sum of positive squares in 2 ways, for example, as 126157824 + 13950225 = 11232^2 + 3735^2 .

It is not a de Polignac number, because 140108049 - 2³ = 140108041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140108041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29979 + ... + 34335.

Almost surely, 2^140108049 is an apocalyptic number.

It is an amenable number.

140108049 is a deficient number, since it is larger than the sum of its proper divisors (69764515).

140108049 is an equidigital number, since it uses as much as digits as its factorization.

140108049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4766 (or 4757 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 140108049 is about 11836.7245891758. The cubic root of 140108049 is about 519.3829576906.

The spelling of 140108049 in words is "one hundred forty million, one hundred eight thousand, forty-nine".