1387016345456 has 40 divisors (see below), whose sum is σ = 3072181698144. Its totient is φ = 594255340800.

The previous prime is 1387016345443. The next prime is 1387016345459. The reversal of 1387016345456 is 6545436107831.

It is a junction number, because it is equal to n+sod(n) for n = 1387016345398 and 1387016345407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1387016345459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1506095 + ... + 2245518.

Almost surely, 2^{1387016345456} is an apocalyptic number.

1387016345456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1387016345456 is an abundant number, since it is smaller than the sum of its proper divisors (1685165352688).

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

1387016345456 is a wasteful number, since it uses less digits than its factorization.

1387016345456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3754929 (or 3754923 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 1387016345456 in words is "one trillion, three hundred eighty-seven billion, sixteen million, three hundred forty-five thousand, four hundred fifty-six".