140312003 has 8 divisors (see below), whose sum is σ = 153361488. Its totient is φ = 127584864.

The previous prime is 140311981. The next prime is 140312027. The reversal of 140312003 is 300213041.

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 140312003 - 2⁶ = 140311939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140312083) 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, 79676 + ... + 81417.

It is an arithmetic number, because the mean of its divisors is an integer number (19170186).

Almost surely, 2^140312003 is an apocalyptic number.

140312003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

140312003 is a deficient number, since it is larger than the sum of its proper divisors (13049485).

140312003 is a wasteful number, since it uses less digits than its factorization.

140312003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161173.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 140312003 is about 11845.3367617810. The cubic root of 140312003 is about 519.6348558352.

Adding to 140312003 its reverse (300213041), we get a palindrome (440525044).

The spelling of 140312003 in words is "one hundred forty million, three hundred twelve thousand, three".