1369732680 has 224 divisors, whose sum is σ = 4674542400. Its totient is φ = 361024128.

The previous prime is 1369732631. The next prime is 1369732699. The reversal of 1369732680 is 862379631.

It is a super-2 number, since 2×1369732680² = 3752335229319964800, which contains 22 as substring.

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

It is an unprimeable number.

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 55 ways as a sum of consecutive naturals, for example, 3119901 + ... + 3120339.

Almost surely, 2^1369732680 is an apocalyptic number.

1369732680 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 1369732680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2337271200).

1369732680 is an abundant number, since it is smaller than the sum of its proper divisors (3304809720).

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

1369732680 is a wasteful number, since it uses less digits than its factorization.

1369732680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 1369732680 is about 37009.8997566867. The cubic root of 1369732680 is about 1110.5682992036.

The spelling of 1369732680 in words is "one billion, three hundred sixty-nine million, seven hundred thirty-two thousand, six hundred eighty".