1113691378 has 8 divisors (see below), whose sum is σ = 1670716080. Its totient is φ = 556786020.

The previous prime is 1113691373. The next prime is 1113691387. The reversal of 1113691378 is 8731963111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1113691378.

It is not an unprimeable number, because it can be changed into a prime (1113691373) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 888 + ... + 47203.

It is an arithmetic number, because the mean of its divisors is an integer number (208839510).

Almost surely, 2^1113691378 is an apocalyptic number.

1113691378 is a deficient number, since it is larger than the sum of its proper divisors (557024702).

1113691378 is a wasteful number, since it uses less digits than its factorization.

1113691378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59672.

The product of its digits is 27216, while the sum is 40.

The square root of 1113691378 is about 33372.0148927211. The cubic root of 1113691378 is about 1036.5452977480.

The spelling of 1113691378 in words is "one billion, one hundred thirteen million, six hundred ninety-one thousand, three hundred seventy-eight".