1344520321402 has 8 divisors (see below), whose sum is σ = 2017755249300. Its totient is φ = 671935238304.

The previous prime is 1344520321343. The next prime is 1344520321409. The reversal of 1344520321402 is 2041230254431.

It can be written as a sum of positive squares in 2 ways, for example, as 1331967583881 + 12552737521 = 1154109^2 + 112039^2 .

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 (1344520321409) 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, 162456027 + ... + 162464302.

Almost surely, 2^{1344520321402} is an apocalyptic number.

1344520321402 is a deficient number, since it is larger than the sum of its proper divisors (673234927898).

1344520321402 is a wasteful number, since it uses less digits than its factorization.

1344520321402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324922400.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 1344520321402 its reverse (2041230254431), we get a palindrome (3385750575833).

The spelling of 1344520321402 in words is "one trillion, three hundred forty-four billion, five hundred twenty million, three hundred twenty-one thousand, four hundred two".