1403400103 has 8 divisors (see below), whose sum is σ = 1659192480. Its totient is φ = 1161434400.

The previous prime is 1403400077. The next prime is 1403400109. The reversal of 1403400103 is 3010043041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1403400103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403400109) 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, 3456448 + ... + 3456853.

It is an arithmetic number, because the mean of its divisors is an integer number (207399060).

Almost surely, 2^1403400103 is an apocalyptic number.

1403400103 is a deficient number, since it is larger than the sum of its proper divisors (255792377).

1403400103 is an equidigital number, since it uses as much as digits as its factorization.

1403400103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6913337.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1403400103 is about 37461.9821018589. The cubic root of 1403400103 is about 1119.5938426841.

Adding to 1403400103 its reverse (3010043041), we get a palindrome (4413443144).

The spelling of 1403400103 in words is "one billion, four hundred three million, four hundred thousand, one hundred three".