1343913985 has 8 divisors (see below), whose sum is σ = 1697575680. Its totient is φ = 1018545264.

The previous prime is 1343913983. The next prime is 1343914001. The reversal of 1343913985 is 5893193431.

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 1343913985 - 2¹ = 1343913983 is a prime.

It is a super-2 number, since 2×1343913985² = 3612209598157160450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1343913983) 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, 7073137 + ... + 7073326.

It is an arithmetic number, because the mean of its divisors is an integer number (212196960).

Almost surely, 2^1343913985 is an apocalyptic number.

It is an amenable number.

1343913985 is a deficient number, since it is larger than the sum of its proper divisors (353661695).

1343913985 is a wasteful number, since it uses less digits than its factorization.

1343913985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14146487.

The product of its digits is 349920, while the sum is 46.

The square root of 1343913985 is about 36659.4324151370. The cubic root of 1343913985 is about 1103.5461275043.

The spelling of 1343913985 in words is "one billion, three hundred forty-three million, nine hundred thirteen thousand, nine hundred eighty-five".