1343242757 has 8 divisors (see below), whose sum is σ = 1409750784. Its totient is φ = 1277410288.

The previous prime is 1343242723. The next prime is 1343242787. The reversal of 1343242757 is 7572423431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1343242757 - 2¹⁰ = 1343241733 is a prime.

It is a super-2 number, since 2×1343242757² = 3608602208465922098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1343242757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343242787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164813 + ... + 172770.

It is an arithmetic number, because the mean of its divisors is an integer number (176218848).

Almost surely, 2^1343242757 is an apocalyptic number.

It is an amenable number.

1343242757 is a deficient number, since it is larger than the sum of its proper divisors (66508027).

1343242757 is a wasteful number, since it uses less digits than its factorization.

1343242757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337779.

The product of its digits is 141120, while the sum is 38.

The square root of 1343242757 is about 36650.2763563933. The cubic root of 1343242757 is about 1103.3623720894.

The spelling of 1343242757 in words is "one billion, three hundred forty-three million, two hundred forty-two thousand, seven hundred fifty-seven".