1403811132 has 12 divisors (see below), whose sum is σ = 3275559336. Its totient is φ = 467937040.

The previous prime is 1403811127. The next prime is 1403811139. The reversal of 1403811132 is 2311183041.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403811139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58492119 + ... + 58492142.

It is an arithmetic number, because the mean of its divisors is an integer number (272963278).

Almost surely, 2^1403811132 is an apocalyptic number.

1403811132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1403811132 is an abundant number, since it is smaller than the sum of its proper divisors (1871748204).

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

1403811132 is a wasteful number, since it uses less digits than its factorization.

1403811132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116984268 (or 116984266 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1403811132 is about 37467.4676486148. The cubic root of 1403811132 is about 1119.7031345430.

Adding to 1403811132 its reverse (2311183041), we get a palindrome (3714994173).

The spelling of 1403811132 in words is "one billion, four hundred three million, eight hundred eleven thousand, one hundred thirty-two".