1139593609 has 36 divisors (see below), whose sum is σ = 1511271552. Its totient is φ = 841032720.

The previous prime is 1139593603. The next prime is 1139593633. The reversal of 1139593609 is 9063959311.

It is not a de Polignac number, because 1139593609 - 2¹⁷ = 1139462537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139593603) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 303904 + ... + 307630.

Almost surely, 2^1139593609 is an apocalyptic number.

1139593609 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1139593609 is a deficient number, since it is larger than the sum of its proper divisors (371677943).

1139593609 is a wasteful number, since it uses less digits than its factorization.

1139593609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3794 (or 3764 counting only the distinct ones).

The product of its (nonzero) digits is 196830, while the sum is 46.

The square root of 1139593609 is about 33757.8673645122. The cubic root of 1139593609 is about 1044.5197793526.

The spelling of 1139593609 in words is "one billion, one hundred thirty-nine million, five hundred ninety-three thousand, six hundred nine".