1371420346256 has 40 divisors (see below), whose sum is σ = 2797674136800. Its totient is φ = 649457948160.

The previous prime is 1371420346253. The next prime is 1371420346259. The reversal of 1371420346256 is 6526430241731.

It is an interprime number because it is at equal distance from previous prime (1371420346253) and next prime (1371420346259).

It is a super-2 number, since 2×1371420346256² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1371420346253) 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, 660536 + ... + 1783016.

It is an arithmetic number, because the mean of its divisors is an integer number (69941853420).

Almost surely, 2^{1371420346256} is an apocalyptic number.

1371420346256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1371420346256 is an abundant number, since it is smaller than the sum of its proper divisors (1426253790544).

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

1371420346256 is a wasteful number, since it uses less digits than its factorization.

1371420346256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126527 (or 1126521 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

Adding to 1371420346256 its reverse (6526430241731), we get a palindrome (7897850587987).

The spelling of 1371420346256 in words is "one trillion, three hundred seventy-one billion, four hundred twenty million, three hundred forty-six thousand, two hundred fifty-six".