1339423744 has 44 divisors (see below), whose sum is σ = 2835078624. Its totient is φ = 630308864.

The previous prime is 1339423741. The next prime is 1339423747. The reversal of 1339423744 is 4473249331.

It is an interprime number because it is at equal distance from previous prime (1339423741) and next prime (1339423747).

It is a junction number, because it is equal to n+sod(n) for n = 1339423697 and 1339423706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339423741) 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, 21064 + ... + 55879.

Almost surely, 2^1339423744 is an apocalyptic number.

It is an amenable number.

1339423744 is an abundant number, since it is smaller than the sum of its proper divisors (1495654880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1339423744 is an equidigital number, since it uses as much as digits as its factorization.

1339423744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76980 (or 76962 counting only the distinct ones).

The product of its digits is 217728, while the sum is 40.

The square root of 1339423744 is about 36598.1385318980. The cubic root of 1339423744 is about 1102.3157121918.

The spelling of 1339423744 in words is "one billion, three hundred thirty-nine million, four hundred twenty-three thousand, seven hundred forty-four".