1340112091 has 16 divisors (see below), whose sum is σ = 1454229504. Its totient is φ = 1230286464.

The previous prime is 1340112083. The next prime is 1340112131. The reversal of 1340112091 is 1902110431.

It is not a de Polignac number, because 1340112091 - 2³ = 1340112083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1340112691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111606 + ... + 123028.

It is an arithmetic number, because the mean of its divisors is an integer number (90889344).

Almost surely, 2^1340112091 is an apocalyptic number.

1340112091 is a deficient number, since it is larger than the sum of its proper divisors (114117413).

1340112091 is a wasteful number, since it uses less digits than its factorization.

1340112091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11610.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1340112091 is about 36607.5414498160. The cubic root of 1340112091 is about 1102.5045112363.

The spelling of 1340112091 in words is "one billion, three hundred forty million, one hundred twelve thousand, ninety-one".