140221041 has 16 divisors (see below), whose sum is σ = 195486720. Its totient is φ = 89234640.

The previous prime is 140221033. The next prime is 140221043. The reversal of 140221041 is 140122041.

140221041 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 140221041 - 2³ = 140221033 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 140221041.

It is not an unprimeable number, because it can be changed into a prime (140221043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37620 + ... + 41178.

It is an arithmetic number, because the mean of its divisors is an integer number (12217920).

Almost surely, 2^140221041 is an apocalyptic number.

It is an amenable number.

140221041 is a deficient number, since it is larger than the sum of its proper divisors (55265679).

140221041 is a wasteful number, since it uses less digits than its factorization.

140221041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4156.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 140221041 is about 11841.4965692686. The cubic root of 140221041 is about 519.5225412729.

Adding to 140221041 its reverse (140122041), we get a palindrome (280343082).

The spelling of 140221041 in words is "one hundred forty million, two hundred twenty-one thousand, forty-one".