140338403 has 4 divisors (see below), whose sum is σ = 142717080. Its totient is φ = 137959728.

The previous prime is 140338399. The next prime is 140338409. The reversal of 140338403 is 304833041.

140338403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 140338403 - 2² = 140338399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140338409) 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, 1189250 + ... + 1189367.

It is an arithmetic number, because the mean of its divisors is an integer number (35679270).

Almost surely, 2^140338403 is an apocalyptic number.

140338403 is a deficient number, since it is larger than the sum of its proper divisors (2378677).

140338403 is an equidigital number, since it uses as much as digits as its factorization.

140338403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2378676.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 140338403 is about 11846.4510719456. The cubic root of 140338403 is about 519.6674439236.

The spelling of 140338403 in words is "one hundred forty million, three hundred thirty-eight thousand, four hundred three".