1390743518736 has 320 divisors, whose sum is σ = 4264623046656. Its totient is φ = 385001164800.

The previous prime is 1390743518651. The next prime is 1390743518771. The reversal of 1390743518736 is 6378153470931.

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, 398377951 + ... + 398381441.

Almost surely, 2^{1390743518736} is an apocalyptic number.

1390743518736 is a gapful number since it is divisible by the number (16) 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 1390743518736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2132311523328).

1390743518736 is an abundant number, since it is smaller than the sum of its proper divisors (2873879527920).

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

1390743518736 is a wasteful number, since it uses less digits than its factorization.

1390743518736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4110 (or 4104 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 57.

The spelling of 1390743518736 in words is "one trillion, three hundred ninety billion, seven hundred forty-three million, five hundred eighteen thousand, seven hundred thirty-six".