1374390132864 has 128 divisors (see below), whose sum is σ = 4174247575680. Its totient is φ = 392495431680.

The previous prime is 1374390132821. The next prime is 1374390132883. The reversal of 1374390132864 is 4682310934731.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5558754 + ... + 5800734.

It is an arithmetic number, because the mean of its divisors is an integer number (32611309185).

Almost surely, 2^{1374390132864} is an apocalyptic number.

1374390132864 is a gapful number since it is divisible by the number (14) 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 1374390132864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2087123787840).

1374390132864 is an abundant number, since it is smaller than the sum of its proper divisors (2799857442816).

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

1374390132864 is a wasteful number, since it uses less digits than its factorization.

1374390132864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244118 (or 244106 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 1374390132864 in words is "one trillion, three hundred seventy-four billion, three hundred ninety million, one hundred thirty-two thousand, eight hundred sixty-four".