1343613240 has 48 divisors (see below), whose sum is σ = 4366744200. Its totient is φ = 358296768.

The previous prime is 1343613233. The next prime is 1343613259. The reversal of 1343613240 is 423163431.

1343613240 is a `hidden beast` number, since 1 + 3 + 4 + 3 + 613 + 2 + 40 = 666.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1865770 + ... + 1866489.

Almost surely, 2^1343613240 is an apocalyptic number.

1343613240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1343613240 is an abundant number, since it is smaller than the sum of its proper divisors (3023130960).

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

1343613240 is a wasteful number, since it uses less digits than its factorization.

1343613240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3732276 (or 3732269 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 1343613240 is about 36655.3303081557. The cubic root of 1343613240 is about 1103.4638031036.

Adding to 1343613240 its reverse (423163431), we get a palindrome (1766776671).

The spelling of 1343613240 in words is "one billion, three hundred forty-three million, six hundred thirteen thousand, two hundred forty".