1321335455434 has 16 divisors (see below), whose sum is σ = 1985058909000. Its totient is φ = 659649279744.

The previous prime is 1321335455431. The next prime is 1321335455477. The reversal of 1321335455434 is 4345545331231.

It can be written as a sum of positive squares in 4 ways, for example, as 1273970462209 + 47364993225 = 1128703^2 + 217635^2 .

It is not an unprimeable number, because it can be changed into a prime (1321335455431) 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, 37256542 + ... + 37291990.

Almost surely, 2^{1321335455434} is an apocalyptic number.

1321335455434 is a deficient number, since it is larger than the sum of its proper divisors (663723453566).

1321335455434 is a wasteful number, since it uses less digits than its factorization.

1321335455434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63657.

The product of its digits is 1296000, while the sum is 43.

The spelling of 1321335455434 in words is "one trillion, three hundred twenty-one billion, three hundred thirty-five million, four hundred fifty-five thousand, four hundred thirty-four".