1369258128 has 80 divisors (see below), whose sum is σ = 4491756160. Its totient is φ = 391215744.

The previous prime is 1369258117. The next prime is 1369258139. The reversal of 1369258128 is 8218529631.

1369258128 is a `hidden beast` number, since 1 + 3 + 69 + 2 + 581 + 2 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (1369258117) and next prime (1369258139).

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 15 ways as a sum of consecutive naturals, for example, 223375 + ... + 229422.

It is an arithmetic number, because the mean of its divisors is an integer number (56146952).

Almost surely, 2^1369258128 is an apocalyptic number.

1369258128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1369258128 is an abundant number, since it is smaller than the sum of its proper divisors (3122498032).

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

1369258128 is a wasteful number, since it uses less digits than its factorization.

1369258128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452821 (or 452809 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 1369258128 is about 37003.4880518040. The cubic root of 1369258128 is about 1110.4400300676.

The spelling of 1369258128 in words is "one billion, three hundred sixty-nine million, two hundred fifty-eight thousand, one hundred twenty-eight".