1356421523460 has 48 divisors (see below), whose sum is σ = 4021390872576. Its totient is φ = 340435205632.

The previous prime is 1356421523447. The next prime is 1356421523461. The reversal of 1356421523460 is 643251246531.

It is not an unprimeable number, because it can be changed into a prime (1356421523461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664911492 + ... + 664913531.

It is an arithmetic number, because the mean of its divisors is an integer number (83778976512).

Almost surely, 2^{1356421523460} is an apocalyptic number.

1356421523460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1356421523460 is an abundant number, since it is smaller than the sum of its proper divisors (2664969349116).

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

1356421523460 is a wasteful number, since it uses less digits than its factorization.

1356421523460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329825052 (or 1329825050 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

Adding to 1356421523460 its reverse (643251246531), we get a palindrome (1999672769991).

The spelling of 1356421523460 in words is "one trillion, three hundred fifty-six billion, four hundred twenty-one million, five hundred twenty-three thousand, four hundred sixty".