1109139377 has 4 divisors (see below), whose sum is σ = 1134933360. Its totient is φ = 1083345396.

The previous prime is 1109139371. The next prime is 1109139379. The reversal of 1109139377 is 7739319011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1109139377 - 2²⁰ = 1108090801 is a prime.

It is a super-2 number, since 2×1109139377² = 2460380315223896258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1109139371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12896927 + ... + 12897012.

It is an arithmetic number, because the mean of its divisors is an integer number (283733340).

Almost surely, 2^1109139377 is an apocalyptic number.

It is an amenable number.

1109139377 is a deficient number, since it is larger than the sum of its proper divisors (25793983).

1109139377 is an equidigital number, since it uses as much as digits as its factorization.

1109139377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25793982.

The product of its (nonzero) digits is 35721, while the sum is 41.

The square root of 1109139377 is about 33303.7441889046. The cubic root of 1109139377 is about 1035.1311422583.

The spelling of 1109139377 in words is "one billion, one hundred nine million, one hundred thirty-nine thousand, three hundred seventy-seven".