1320190128834 has 16 divisors (see below), whose sum is σ = 2731427853120. Its totient is φ = 424888777040.

The previous prime is 1320190128811. The next prime is 1320190128847. The reversal of 1320190128834 is 4388210910231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3793649622 + ... + 3793649969.

It is an arithmetic number, because the mean of its divisors is an integer number (170714240820).

Almost surely, 2^{1320190128834} is an apocalyptic number.

1320190128834 is an abundant number, since it is smaller than the sum of its proper divisors (1411237724286).

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

1320190128834 is a wasteful number, since it uses less digits than its factorization.

1320190128834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7587299625.

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 1320190128834 in words is "one trillion, three hundred twenty billion, one hundred ninety million, one hundred twenty-eight thousand, eight hundred thirty-four".