1390078632070 has 32 divisors (see below), whose sum is σ = 2503990817280. Its totient is φ = 555620674560.

The previous prime is 1390078632017. The next prime is 1390078632101. The reversal of 1390078632070 is 702368700931.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1390078632070.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89277246 + ... + 89292814.

It is an arithmetic number, because the mean of its divisors is an integer number (78249713040).

Almost surely, 2^{1390078632070} is an apocalyptic number.

1390078632070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1390078632070 is a deficient number, since it is larger than the sum of its proper divisors (1113912185210).

1390078632070 is a wasteful number, since it uses less digits than its factorization.

1390078632070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21600.

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 1390078632070 in words is "one trillion, three hundred ninety billion, seventy-eight million, six hundred thirty-two thousand, seventy".