1345350421356 has 24 divisors (see below), whose sum is σ = 3139180712640. Its totient is φ = 448445893392.

The previous prime is 1345350421321. The next prime is 1345350421361. The reversal of 1345350421356 is 6531240535431.

It is a happy number.

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, 955455 + ... + 1898313.

It is an arithmetic number, because the mean of its divisors is an integer number (130799196360).

Almost surely, 2^{1345350421356} is an apocalyptic number.

It is an amenable number.

1345350421356 is an abundant number, since it is smaller than the sum of its proper divisors (1793830291284).

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

1345350421356 is a wasteful number, since it uses less digits than its factorization.

1345350421356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061773 (or 1061771 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

Adding to 1345350421356 its reverse (6531240535431), we get a palindrome (7876590956787).

The spelling of 1345350421356 in words is "one trillion, three hundred forty-five billion, three hundred fifty million, four hundred twenty-one thousand, three hundred fifty-six".