1113876638 has 16 divisors (see below), whose sum is σ = 1961111904. Its totient is φ = 464473440.

The previous prime is 1113876629. The next prime is 1113876671. The reversal of 1113876638 is 8366783111.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1074653 + ... + 1075688.

It is an arithmetic number, because the mean of its divisors is an integer number (122569494).

Almost surely, 2^1113876638 is an apocalyptic number.

1113876638 is a deficient number, since it is larger than the sum of its proper divisors (847235266).

1113876638 is a wasteful number, since it uses less digits than its factorization.

1113876638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150387.

The product of its digits is 145152, while the sum is 44.

The square root of 1113876638 is about 33374.7904562710. The cubic root of 1113876638 is about 1036.6027702036.

The spelling of 1113876638 in words is "one billion, one hundred thirteen million, eight hundred seventy-six thousand, six hundred thirty-eight".