1343405115 has 64 divisors (see below), whose sum is σ = 2590963200. Its totient is φ = 656491392.

The previous prime is 1343405113. The next prime is 1343405123. The reversal of 1343405115 is 5115043431.

It is a happy number.

It is not a de Polignac number, because 1343405115 - 2¹ = 1343405113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1343405113) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 241192 + ... + 246698.

It is an arithmetic number, because the mean of its divisors is an integer number (40483800).

Almost surely, 2^1343405115 is an apocalyptic number.

1343405115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1343405115 is a deficient number, since it is larger than the sum of its proper divisors (1247558085).

1343405115 is a wasteful number, since it uses less digits than its factorization.

1343405115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5673 (or 5667 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1343405115 is about 36652.4912523010. The cubic root of 1343405115 is about 1103.4068248363.

Adding to 1343405115 its reverse (5115043431), we get a palindrome (6458448546).

The spelling of 1343405115 in words is "one billion, three hundred forty-three million, four hundred five thousand, one hundred fifteen".