1391085597132 has 576 divisors, whose sum is σ = 4881682391040. Its totient is φ = 322915507200.

The previous prime is 1391085597079. The next prime is 1391085597149. The reversal of 1391085597132 is 2317955801931.

1391085597132 is a `hidden beast` number, since 1 + 3 + 9 + 10 + 8 + 5 + 597 + 1 + 32 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 88421707 + ... + 88437437.

It is an arithmetic number, because the mean of its divisors is an integer number (8475143040).

Almost surely, 2^{1391085597132} is an apocalyptic number.

1391085597132 is a gapful number since it is divisible by the number (12) 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 1391085597132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2440841195520).

1391085597132 is an abundant number, since it is smaller than the sum of its proper divisors (3490596793908).

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

1391085597132 is a wasteful number, since it uses less digits than its factorization.

1391085597132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15874 (or 15869 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 54.

The spelling of 1391085597132 in words is "one trillion, three hundred ninety-one billion, eighty-five million, five hundred ninety-seven thousand, one hundred thirty-two".