1369760128 has 64 divisors (see below), whose sum is σ = 3057466320. Its totient is φ = 605767680.

The previous prime is 1369760087. The next prime is 1369760149. The reversal of 1369760128 is 8210679631.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38950 + ... + 65242.

Almost surely, 2^1369760128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1369760128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1528733160).

1369760128 is an abundant number, since it is smaller than the sum of its proper divisors (1687706192).

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

1369760128 is a wasteful number, since it uses less digits than its factorization.

1369760128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26355 (or 26343 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 1369760128 is about 37010.2705745311. The cubic root of 1369760128 is about 1110.5757173604.

The spelling of 1369760128 in words is "one billion, three hundred sixty-nine million, seven hundred sixty thousand, one hundred twenty-eight".