1380640128430 has 8 divisors (see below), whose sum is σ = 2485152231192. Its totient is φ = 552256051368.

The previous prime is 1380640128403. The next prime is 1380640128457. The reversal of 1380640128430 is 348210460831.

It is an interprime number because it is at equal distance from previous prime (1380640128403) and next prime (1380640128457).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69032006412 + ... + 69032006431.

It is an arithmetic number, because the mean of its divisors is an integer number (310644028899).

Almost surely, 2^{1380640128430} is an apocalyptic number.

1380640128430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1380640128430 is a deficient number, since it is larger than the sum of its proper divisors (1104512102762).

1380640128430 is a wasteful number, since it uses less digits than its factorization.

1380640128430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138064012850.

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 1380640128430 in words is "one trillion, three hundred eighty billion, six hundred forty million, one hundred twenty-eight thousand, four hundred thirty".