140251241 has 12 divisors (see below), whose sum is σ = 160806492. Its totient is φ = 121844736.

The previous prime is 140251229. The next prime is 140251247. The reversal of 140251241 is 142152041.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 12222016 + 128029225 = 3496^2 + 11315^2 .

It is a de Polignac number, because none of the positive numbers 2^k-140251241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140251247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21536 + ... + 27281.

It is an arithmetic number, because the mean of its divisors is an integer number (13400541).

Almost surely, 2^140251241 is an apocalyptic number.

It is an amenable number.

140251241 is a deficient number, since it is larger than the sum of its proper divisors (20555251).

140251241 is a wasteful number, since it uses less digits than its factorization.

140251241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48860 (or 48847 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 140251241 is about 11842.7716772722. The cubic root of 140251241 is about 519.5598358529.

The spelling of 140251241 in words is "one hundred forty million, two hundred fifty-one thousand, two hundred forty-one".