1369023555 has 16 divisors (see below), whose sum is σ = 2197488384. Its totient is φ = 727795680.

The previous prime is 1369023553. The next prime is 1369023577. The reversal of 1369023555 is 5553209631.

It is not a de Polignac number, because 1369023555 - 2¹ = 1369023553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1369023553) 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, 142069 + ... + 151398.

It is an arithmetic number, because the mean of its divisors is an integer number (137343024).

Almost surely, 2^1369023555 is an apocalyptic number.

1369023555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1369023555 is a deficient number, since it is larger than the sum of its proper divisors (828464829).

1369023555 is a wasteful number, since it uses less digits than its factorization.

1369023555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293786.

The product of its (nonzero) digits is 121500, while the sum is 39.

The square root of 1369023555 is about 37000.3183094416. The cubic root of 1369023555 is about 1110.3766151619.

The spelling of 1369023555 in words is "one billion, three hundred sixty-nine million, twenty-three thousand, five hundred fifty-five".