1346274223140 has 384 divisors, whose sum is σ = 4950470246400. Its totient is φ = 264839984640.

The previous prime is 1346274223093. The next prime is 1346274223163. The reversal of 1346274223140 is 413224726431.

It is a super-2 number, since 2×1346274223140² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 153347271 + ... + 153356049.

It is an arithmetic number, because the mean of its divisors is an integer number (12891849600).

Almost surely, 2^{1346274223140} is an apocalyptic number.

1346274223140 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 1346274223140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2475235123200).

1346274223140 is an abundant number, since it is smaller than the sum of its proper divisors (3604196023260).

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

1346274223140 is a wasteful number, since it uses less digits than its factorization.

1346274223140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10575 (or 10573 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 39.

Adding to 1346274223140 its reverse (413224726431), we get a palindrome (1759498949571).

The spelling of 1346274223140 in words is "one trillion, three hundred forty-six billion, two hundred seventy-four million, two hundred twenty-three thousand, one hundred forty".