140400403 has 16 divisors (see below), whose sum is σ = 166596192. Its totient is φ = 116640000.

The previous prime is 140400401. The next prime is 140400413. The reversal of 140400403 is 304004041.

140400403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 140400403 - 2¹ = 140400401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140400401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9583 + ... + 19303.

It is an arithmetic number, because the mean of its divisors is an integer number (10412262).

Almost surely, 2^140400403 is an apocalyptic number.

140400403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

140400403 is a deficient number, since it is larger than the sum of its proper divisors (26195789).

140400403 is a wasteful number, since it uses less digits than its factorization.

140400403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9846.

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

The square root of 140400403 is about 11849.0676004486. The cubic root of 140400403 is about 519.7439604895.

Adding to 140400403 its reverse (304004041), we get a palindrome (444404444).

It can be divided in two parts, 1 and 40400403, that added together give a palindrome (40400404).

The spelling of 140400403 in words is "one hundred forty million, four hundred thousand, four hundred three".