1337707401728 has 20 divisors (see below), whose sum is σ = 2672802094710. Its totient is φ = 668853700608.

The previous prime is 1337707401721. The next prime is 1337707401733. The reversal of 1337707401728 is 8271047077331.

It can be written as a sum of positive squares in only one way, i.e., 1248922472704 + 88784929024 = 1117552^2 + 297968^2 .

It is a super-2 number, since 2×1337707401728² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1337707401721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1306354373 + ... + 1306355396.

Almost surely, 2^{1337707401728} is an apocalyptic number.

It is an amenable number.

1337707401728 is a deficient number, since it is larger than the sum of its proper divisors (1335094692982).

1337707401728 is an frugal number, since it uses more digits than its factorization.

1337707401728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612709787 (or 2612709771 counting only the distinct ones).

The product of its (nonzero) digits is 1382976, while the sum is 50.

The spelling of 1337707401728 in words is "one trillion, three hundred thirty-seven billion, seven hundred seven million, four hundred one thousand, seven hundred twenty-eight".