1391513397120 has 576 divisors, whose sum is σ = 6036141777120. Its totient is φ = 289144627200.

The previous prime is 1391513397049. The next prime is 1391513397137. The reversal of 1391513397120 is 217933151931.

1391513397120 is a `hidden beast` number, since 1 + 3 + 9 + 1 + 513 + 3 + 9 + 7 + 120 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4736110 + ... + 5021330.

Almost surely, 2^{1391513397120} is an apocalyptic number.

1391513397120 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 1391513397120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3018070888560).

1391513397120 is an abundant number, since it is smaller than the sum of its proper divisors (4644628380000).

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

1391513397120 is a wasteful number, since it uses less digits than its factorization.

1391513397120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285275 (or 285249 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 45.

The spelling of 1391513397120 in words is "one trillion, three hundred ninety-one billion, five hundred thirteen million, three hundred ninety-seven thousand, one hundred twenty".