1344140736 has 112 divisors (see below), whose sum is σ = 3669304320. Its totient is φ = 433935360.

The previous prime is 1344140729. The next prime is 1344140753. The reversal of 1344140736 is 6370414431.

It is a junction number, because it is equal to n+sod(n) for n = 1344140697 and 1344140706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3061605 + ... + 3062043.

Almost surely, 2^1344140736 is an apocalyptic number.

1344140736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1344140736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1834652160).

1344140736 is an abundant number, since it is smaller than the sum of its proper divisors (2325163584).

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

1344140736 is a wasteful number, since it uses less digits than its factorization.

1344140736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 1344140736 is about 36662.5249539635. The cubic root of 1344140736 is about 1103.6081890446.

The spelling of 1344140736 in words is "one billion, three hundred forty-four million, one hundred forty thousand, seven hundred thirty-six".