1393389255348 has 144 divisors (see below), whose sum is σ = 3794941463040. Its totient is φ = 429520084992.

The previous prime is 1393389255337. The next prime is 1393389255367. The reversal of 1393389255348 is 8435529833931.

It is a happy number.

1393389255348 is a `hidden beast` number, since 1 + 3 + 9 + 3 + 3 + 8 + 92 + 5 + 534 + 8 = 666.

It is a super-2 number, since 2×1393389255348² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8167165 + ... + 8336027.

It is an arithmetic number, because the mean of its divisors is an integer number (26353760160).

Almost surely, 2^{1393389255348} is an apocalyptic number.

1393389255348 is a gapful number since it is divisible by the number (18) 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 1393389255348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1897470731520).

1393389255348 is an abundant number, since it is smaller than the sum of its proper divisors (2401552207692).

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

1393389255348 is a wasteful number, since it uses less digits than its factorization.

1393389255348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169126 (or 169121 counting only the distinct ones).

The product of its digits is 83980800, while the sum is 63.

The spelling of 1393389255348 in words is "one trillion, three hundred ninety-three billion, three hundred eighty-nine million, two hundred fifty-five thousand, three hundred forty-eight".