140944041 has 18 divisors (see below), whose sum is σ = 236825082. Its totient is φ = 80539200.

The previous prime is 140944039. The next prime is 140944051. The reversal of 140944041 is 140449041.

It can be written as a sum of positive squares in only one way, i.e., 99920016 + 41024025 = 9996^2 + 6405^2 .

It is not a de Polignac number, because 140944041 - 2¹ = 140944039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140943996 and 140944014.

It is not an unprimeable number, because it can be changed into a prime (140944051) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 159360 + ... + 160241.

It is an arithmetic number, because the mean of its divisors is an integer number (13156949).

Almost surely, 2^140944041 is an apocalyptic number.

It is an amenable number.

140944041 is a deficient number, since it is larger than the sum of its proper divisors (95881041).

140944041 is a wasteful number, since it uses less digits than its factorization.

140944041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319621 (or 319611 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 140944041 is about 11871.9855542365. The cubic root of 140944041 is about 520.4139221547.

The spelling of 140944041 in words is "one hundred forty million, nine hundred forty-four thousand, forty-one".