1403434140 has 24 divisors (see below), whose sum is σ = 3929615760. Its totient is φ = 374249088.

The previous prime is 1403434103. The next prime is 1403434169. The reversal of 1403434140 is 414343041.

It is a self number, because there is not a number n which added to its sum of digits gives 1403434140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11695225 + ... + 11695344.

It is an arithmetic number, because the mean of its divisors is an integer number (163733990).

Almost surely, 2^1403434140 is an apocalyptic number.

1403434140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1403434140 is an abundant number, since it is smaller than the sum of its proper divisors (2526181620).

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

1403434140 is a wasteful number, since it uses less digits than its factorization.

1403434140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23390581 (or 23390579 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1403434140 is about 37462.4363863324. The cubic root of 1403434140 is about 1119.6028938704.

Adding to 1403434140 its reverse (414343041), we get a palindrome (1817777181).

The spelling of 1403434140 in words is "one billion, four hundred three million, four hundred thirty-four thousand, one hundred forty".