1334681481349 has 8 divisors (see below), whose sum is σ = 1340373029400. Its totient is φ = 1328993796096.

The previous prime is 1334681481347. The next prime is 1334681481379. The reversal of 1334681481349 is 9431841864331.

It can be written as a sum of positive squares in 4 ways, for example, as 266042418849 + 1068639062500 = 515793^2 + 1033750^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1334681481349 - 2¹ = 1334681481347 is a prime.

It is a super-2 number, since 2×1334681481349² (a number of 25 digits) contains 22 as substring.

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 1334681481349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1334681481347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272124 + ... + 1656325.

It is an arithmetic number, because the mean of its divisors is an integer number (167546628675).

Almost surely, 2^{1334681481349} is an apocalyptic number.

It is an amenable number.

1334681481349 is a deficient number, since it is larger than the sum of its proper divisors (5691548051).

1334681481349 is a wasteful number, since it uses less digits than its factorization.

1334681481349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931399.

The product of its digits is 5971968, while the sum is 55.

The spelling of 1334681481349 in words is "one trillion, three hundred thirty-four billion, six hundred eighty-one million, four hundred eighty-one thousand, three hundred forty-nine".