140420603 has 8 divisors (see below), whose sum is σ = 142906896. Its totient is φ = 137956000.

The previous prime is 140420591. The next prime is 140420617. The reversal of 140420603 is 306024041.

It is a happy number.

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 140420603 - 2¹⁰ = 140419579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140420503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7925 + ... + 18537.

It is an arithmetic number, because the mean of its divisors is an integer number (17863362).

Almost surely, 2^140420603 is an apocalyptic number.

140420603 is a deficient number, since it is larger than the sum of its proper divisors (2486293).

140420603 is a wasteful number, since it uses less digits than its factorization.

140420603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10845.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 140420603 is about 11849.9199575356. The cubic root of 140420603 is about 519.7688852150.

Adding to 140420603 its reverse (306024041), we get a palindrome (446444644).

The spelling of 140420603 in words is "one hundred forty million, four hundred twenty thousand, six hundred three".