1369756080 has 480 divisors, whose sum is σ = 5927620608. Its totient is φ = 275097600.

The previous prime is 1369756061. The next prime is 1369756081. The reversal of 1369756080 is 806579631.

It is a happy number.

1369756080 is a `hidden beast` number, since 1 + 3 + 6 + 9 + 7 + 560 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1369756081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1718242 + ... + 1719038.

Almost surely, 2^1369756080 is an apocalyptic number.

1369756080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1369756080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2963810304).

1369756080 is an abundant number, since it is smaller than the sum of its proper divisors (4557864528).

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

1369756080 is a wasteful number, since it uses less digits than its factorization.

1369756080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 856 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 1369756080 is about 37010.2158869683. The cubic root of 1369756080 is about 1110.5746233452.

The spelling of 1369756080 in words is "one billion, three hundred sixty-nine million, seven hundred fifty-six thousand, eighty".