1343913986 has 16 divisors (see below), whose sum is σ = 2048779008. Its totient is φ = 661029600.

The previous prime is 1343913983. The next prime is 1343914001. The reversal of 1343913986 is 6893193431.

It is a super-2 number, since 2×1343913986² = 3612209603532816392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1343913986.

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, 55526 + ... + 75966.

It is an arithmetic number, because the mean of its divisors is an integer number (128048688).

Almost surely, 2^1343913986 is an apocalyptic number.

1343913986 is a deficient number, since it is larger than the sum of its proper divisors (704865022).

1343913986 is a wasteful number, since it uses less digits than its factorization.

1343913986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20977.

The product of its digits is 419904, while the sum is 47.

The square root of 1343913986 is about 36659.4324287761. The cubic root of 1343913986 is about 1103.5461277780.

The spelling of 1343913986 in words is "one billion, three hundred forty-three million, nine hundred thirteen thousand, nine hundred eighty-six".