140209041 has 24 divisors (see below), whose sum is σ = 218070144. Its totient is φ = 79897440.

The previous prime is 140209039. The next prime is 140209051. The reversal of 140209041 is 140902041.

140209041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140209041 - 2¹ = 140209039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 140208999 and 140209017.

It is not an unprimeable number, because it can be changed into a prime (140209031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62251 + ... + 64463.

It is an arithmetic number, because the mean of its divisors is an integer number (9086256).

Almost surely, 2^140209041 is an apocalyptic number.

It is an amenable number.

140209041 is a deficient number, since it is larger than the sum of its proper divisors (77861103).

140209041 is a wasteful number, since it uses less digits than its factorization.

140209041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661 (or 2654 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 140209041 is about 11840.9898657165. The cubic root of 140209041 is about 519.5077207479.

The spelling of 140209041 in words is "one hundred forty million, two hundred nine thousand, forty-one".