1340404143002 has 8 divisors (see below), whose sum is σ = 2010717888276. Its totient is φ = 670164846912.

The previous prime is 1340404142983. The next prime is 1340404143007. The reversal of 1340404143002 is 2003414040431.

It can be written as a sum of positive squares in 2 ways, for example, as 996584920681 + 343819222321 = 998291^2 + 586361^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1340404143007) 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, 18567263 + ... + 18639314.

Almost surely, 2^{1340404143002} is an apocalyptic number.

1340404143002 is a deficient number, since it is larger than the sum of its proper divisors (670313745274).

1340404143002 is a wasteful number, since it uses less digits than its factorization.

1340404143002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37224592.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1340404143002 its reverse (2003414040431), we get a palindrome (3343818183433).

The spelling of 1340404143002 in words is "one trillion, three hundred forty billion, four hundred four million, one hundred forty-three thousand, two".