1346946137880 has 256 divisors, whose sum is σ = 4843363092480. Its totient is φ = 292991913984.

The previous prime is 1346946137879. The next prime is 1346946137893. The reversal of 1346946137880 is 887316496431.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3629092 + ... + 3982988.

It is an arithmetic number, because the mean of its divisors is an integer number (18919387080).

Almost surely, 2^{1346946137880} is an apocalyptic number.

1346946137880 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 1346946137880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2421681546240).

1346946137880 is an abundant number, since it is smaller than the sum of its proper divisors (3496416954600).

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

1346946137880 is a wasteful number, since it uses less digits than its factorization.

1346946137880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354138 (or 354134 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 60.

The spelling of 1346946137880 in words is "one trillion, three hundred forty-six billion, nine hundred forty-six million, one hundred thirty-seven thousand, eight hundred eighty".