1345520134432 has 48 divisors (see below), whose sum is σ = 2652998860512. Its totient is φ = 671743134720.

The previous prime is 1345520134421. The next prime is 1345520134463. The reversal of 1345520134432 is 2344310255431.

It is a junction number, because it is equal to n+sod(n) for n = 1345520134391 and 1345520134400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170682363 + ... + 170690245.

It is an arithmetic number, because the mean of its divisors is an integer number (55270809594).

Almost surely, 2^{1345520134432} is an apocalyptic number.

It is an amenable number.

1345520134432 is a deficient number, since it is larger than the sum of its proper divisors (1307478726080).

1345520134432 is an equidigital number, since it uses as much as digits as its factorization.

1345520134432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15281 (or 15273 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 1345520134432 its reverse (2344310255431), we get a palindrome (3689830389863).

The spelling of 1345520134432 in words is "one trillion, three hundred forty-five billion, five hundred twenty million, one hundred thirty-four thousand, four hundred thirty-two".