1403113404 has 48 divisors (see below), whose sum is σ = 4081787136. Its totient is φ = 364444800.

The previous prime is 1403113339. The next prime is 1403113421. The reversal of 1403113404 is 4043113041.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 758337 + ... + 760184.

It is an arithmetic number, because the mean of its divisors is an integer number (85037232).

Almost surely, 2^1403113404 is an apocalyptic number.

1403113404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1403113404 is an abundant number, since it is smaller than the sum of its proper divisors (2678673732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1403113404 is a wasteful number, since it uses less digits than its factorization.

1403113404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518546 (or 1518544 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1403113404 is about 37458.1553736967. The cubic root of 1403113404 is about 1119.5175973105.

Adding to 1403113404 its reverse (4043113041), we get a palindrome (5446226445).

The spelling of 1403113404 in words is "one billion, four hundred three million, one hundred thirteen thousand, four hundred four".