1369729888 has 24 divisors (see below), whose sum is σ = 2697884280. Its totient is φ = 684552960.

The previous prime is 1369729853. The next prime is 1369729891. The reversal of 1369729888 is 8889279631.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 72183 + ... + 89161.

It is an arithmetic number, because the mean of its divisors is an integer number (112411845).

Almost surely, 2^1369729888 is an apocalyptic number.

It is an amenable number.

1369729888 is a deficient number, since it is larger than the sum of its proper divisors (1328154392).

1369729888 is a wasteful number, since it uses less digits than its factorization.

1369729888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19510 (or 19502 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 61.

The square root of 1369729888 is about 37009.8620370301. The cubic root of 1369729888 is about 1110.5675446260.

The spelling of 1369729888 in words is "one billion, three hundred sixty-nine million, seven hundred twenty-nine thousand, eight hundred eighty-eight".