1340432203 has 16 divisors (see below), whose sum is σ = 1530832896. Its totient is φ = 1161800640.

The previous prime is 1340432179. The next prime is 1340432221. The reversal of 1340432203 is 3022340431.

It is a happy number.

It is not a de Polignac number, because 1340432203 - 2¹³ = 1340424011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1340435203) 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, 70726 + ... + 87652.

It is an arithmetic number, because the mean of its divisors is an integer number (95677056).

Almost surely, 2^1340432203 is an apocalyptic number.

1340432203 is a deficient number, since it is larger than the sum of its proper divisors (190400693).

1340432203 is a wasteful number, since it uses less digits than its factorization.

1340432203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17274.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1340432203 is about 36611.9134026071. The cubic root of 1340432203 is about 1102.5922891740.

Adding to 1340432203 its reverse (3022340431), we get a palindrome (4362772634).

The spelling of 1340432203 in words is "one billion, three hundred forty million, four hundred thirty-two thousand, two hundred three".