1369775040 has 112 divisors (see below), whose sum is σ = 4372160928. Its totient is φ = 363331584.

The previous prime is 1369774981. The next prime is 1369775041. The reversal of 1369775040 is 405779631.

It is a junction number, because it is equal to n+sod(n) for n = 1369774983 and 1369775001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1369775041) 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 15 ways as a sum of consecutive naturals, for example, 181584 + ... + 188976.

Almost surely, 2^1369775040 is an apocalyptic number.

1369775040 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 1369775040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2186080464).

1369775040 is an abundant number, since it is smaller than the sum of its proper divisors (3002385888).

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

1369775040 is a wasteful number, since it uses less digits than its factorization.

1369775040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7606 (or 7596 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 1369775040 is about 37010.4720315751. The cubic root of 1369775040 is about 1110.5797474687.

The spelling of 1369775040 in words is "one billion, three hundred sixty-nine million, seven hundred seventy-five thousand, forty".