140440003 has 4 divisors (see below), whose sum is σ = 153207288. Its totient is φ = 127672720.

The previous prime is 140439997. The next prime is 140440019. The reversal of 140440003 is 300044041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140440003 - 2²¹ = 138342851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140440063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6383626 + ... + 6383647.

It is an arithmetic number, because the mean of its divisors is an integer number (38301822).

Almost surely, 2^140440003 is an apocalyptic number.

140440003 is a deficient number, since it is larger than the sum of its proper divisors (12767285).

140440003 is a wasteful number, since it uses less digits than its factorization.

140440003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12767284.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 140440003 is about 11850.7385001948. The cubic root of 140440003 is about 519.7928205726.

Adding to 140440003 its reverse (300044041), we get a palindrome (440484044).

The spelling of 140440003 in words is "one hundred forty million, four hundred forty thousand, three".