1369075640 has 16 divisors (see below), whose sum is σ = 3080420280. Its totient is φ = 547630240.

The previous prime is 1369075583. The next prime is 1369075657. The reversal of 1369075640 is 465709631.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17113406 + ... + 17113485.

Almost surely, 2^1369075640 is an apocalyptic number.

1369075640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1369075640 is an abundant number, since it is smaller than the sum of its proper divisors (1711344640).

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

1369075640 is a wasteful number, since it uses less digits than its factorization.

1369075640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34226902 (or 34226898 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 1369075640 is about 37001.0221480434. The cubic root of 1369075640 is about 1110.3906965443.

The spelling of 1369075640 in words is "one billion, three hundred sixty-nine million, seventy-five thousand, six hundred forty".