140221003 has 8 divisors (see below), whose sum is σ = 156214800. Its totient is φ = 124971168.

The previous prime is 140220991. The next prime is 140221021. The reversal of 140221003 is 300122041.

140221003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140221003 - 2¹⁷ = 140089931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140221033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185593 + ... + 186346.

It is an arithmetic number, because the mean of its divisors is an integer number (19526850).

Almost surely, 2^140221003 is an apocalyptic number.

140221003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

140221003 is a deficient number, since it is larger than the sum of its proper divisors (15993797).

140221003 is a wasteful number, since it uses less digits than its factorization.

140221003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371981.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 140221003 is about 11841.4949647416. The cubic root of 140221003 is about 519.5224943426.

Adding to 140221003 its reverse (300122041), we get a palindrome (440343044).

The spelling of 140221003 in words is "one hundred forty million, two hundred twenty-one thousand, three".