1345062561420 has 96 divisors (see below), whose sum is σ = 3818960171712. Its totient is φ = 353659281408.

The previous prime is 1345062561389. The next prime is 1345062561439. The reversal of 1345062561420 is 241652605431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14464594 + ... + 14557286.

It is an arithmetic number, because the mean of its divisors is an integer number (39780835122).

Almost surely, 2^{1345062561420} is an apocalyptic number.

1345062561420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1345062561420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1909480085856).

1345062561420 is an abundant number, since it is smaller than the sum of its proper divisors (2473897610292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1345062561420 is a wasteful number, since it uses less digits than its factorization.

1345062561420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96091 (or 96089 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 1345062561420 in words is "one trillion, three hundred forty-five billion, sixty-two million, five hundred sixty-one thousand, four hundred twenty".