1340361203 has 4 divisors (see below), whose sum is σ = 1353632208. Its totient is φ = 1327090200.

The previous prime is 1340361199. The next prime is 1340361241. The reversal of 1340361203 is 3021630431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1340361203 - 2² = 1340361199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340361703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6635351 + ... + 6635552.

It is an arithmetic number, because the mean of its divisors is an integer number (338408052).

Almost surely, 2^1340361203 is an apocalyptic number.

1340361203 is a deficient number, since it is larger than the sum of its proper divisors (13271005).

1340361203 is a wasteful number, since it uses less digits than its factorization.

1340361203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13271004.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1340361203 is about 36610.9437600289. The cubic root of 1340361203 is about 1102.5728214643.

Adding to 1340361203 its reverse (3021630431), we get a palindrome (4361991634).

The spelling of 1340361203 in words is "one billion, three hundred forty million, three hundred sixty-one thousand, two hundred three".