1343291939 has 4 divisors (see below), whose sum is σ = 1465409400. Its totient is φ = 1221174480.

The previous prime is 1343291933. The next prime is 1343292073. The reversal of 1343291939 is 9391923431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1343291939 - 2⁸ = 1343291683 is a prime.

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 1343291939.

It is not an unprimeable number, because it can be changed into a prime (1343291933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61058714 + ... + 61058735.

It is an arithmetic number, because the mean of its divisors is an integer number (366352350).

Almost surely, 2^1343291939 is an apocalyptic number.

1343291939 is a deficient number, since it is larger than the sum of its proper divisors (122117461).

1343291939 is a wasteful number, since it uses less digits than its factorization.

1343291939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122117460.

The product of its digits is 157464, while the sum is 44.

The square root of 1343291939 is about 36650.9473138144. The cubic root of 1343291939 is about 1103.3758382346.

The spelling of 1343291939 in words is "one billion, three hundred forty-three million, two hundred ninety-one thousand, nine hundred thirty-nine".