1344220939 has 4 divisors (see below), whose sum is σ = 1360416456. Its totient is φ = 1328025424.

The previous prime is 1344220937. The next prime is 1344220973. The reversal of 1344220939 is 9390224431.

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 1344220939 - 2¹ = 1344220937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1344220898 and 1344220907.

It is not an unprimeable number, because it can be changed into a prime (1344220931) 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, 8097634 + ... + 8097799.

It is an arithmetic number, because the mean of its divisors is an integer number (340104114).

Almost surely, 2^1344220939 is an apocalyptic number.

1344220939 is a deficient number, since it is larger than the sum of its proper divisors (16195517).

1344220939 is an equidigital number, since it uses as much as digits as its factorization.

1344220939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16195516.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 1344220939 is about 36663.6187384715. The cubic root of 1344220939 is about 1103.6301388610.

The spelling of 1344220939 in words is "one billion, three hundred forty-four million, two hundred twenty thousand, nine hundred thirty-nine".