140351603 has 8 divisors (see below), whose sum is σ = 161110272. Its totient is φ = 119770056.

The previous prime is 140351597. The next prime is 140351621. The reversal of 140351603 is 306153041.

It is a happy number.

140351603 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 not a de Polignac number, because 140351603 - 2¹⁴ = 140335219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140351623) 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, 42575 + ... + 45752.

It is an arithmetic number, because the mean of its divisors is an integer number (20138784).

Almost surely, 2^140351603 is an apocalyptic number.

140351603 is a deficient number, since it is larger than the sum of its proper divisors (20758669).

140351603 is an equidigital number, since it uses as much as digits as its factorization.

140351603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88561.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 140351603 is about 11847.0081877240. The cubic root of 140351603 is about 519.6837364353.

The spelling of 140351603 in words is "one hundred forty million, three hundred fifty-one thousand, six hundred three".