1328910143770 has 64 divisors (see below), whose sum is σ = 2668136080896. Its totient is φ = 472404897280.

The previous prime is 1328910143747. The next prime is 1328910143777. The reversal of 1328910143770 is 773410198231.

It is a self number, because there is not a number n which added to its sum of digits gives 1328910143770.

It is not an unprimeable number, because it can be changed into a prime (1328910143777) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4280724 + ... + 4580656.

It is an arithmetic number, because the mean of its divisors is an integer number (41689626264).

Almost surely, 2^{1328910143770} is an apocalyptic number.

1328910143770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1328910143770 is an abundant number, since it is smaller than the sum of its proper divisors (1339225937126).

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

1328910143770 is a wasteful number, since it uses less digits than its factorization.

1328910143770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300855.

The product of its (nonzero) digits is 254016, while the sum is 46.

It can be divided in two parts, 132891014 and 3770, that added together give a square (132894784 = 11528²).

The spelling of 1328910143770 in words is "one trillion, three hundred twenty-eight billion, nine hundred ten million, one hundred forty-three thousand, seven hundred seventy".