1343140403 has 16 divisors (see below), whose sum is σ = 1557260640. Its totient is φ = 1144896000.

The previous prime is 1343140399. The next prime is 1343140417. The reversal of 1343140403 is 3040413431.

It is a cyclic number.

It is not a de Polignac number, because 1343140403 - 2² = 1343140399 is a prime.

It is a super-2 number, since 2×1343140403² = 3608052284342004818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1343145403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36953 + ... + 63653.

It is an arithmetic number, because the mean of its divisors is an integer number (97328790).

Almost surely, 2^1343140403 is an apocalyptic number.

1343140403 is a deficient number, since it is larger than the sum of its proper divisors (214120237).

1343140403 is a wasteful number, since it uses less digits than its factorization.

1343140403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26998.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1343140403 is about 36648.8799692433. The cubic root of 1343140403 is about 1103.3343462740.

Adding to 1343140403 its reverse (3040413431), we get a palindrome (4383553834).

The spelling of 1343140403 in words is "one billion, three hundred forty-three million, one hundred forty thousand, four hundred three".