1138851494 has 8 divisors (see below), whose sum is σ = 1863575208. Its totient is φ = 517659760.

The previous prime is 1138851487. The next prime is 1138851503. The reversal of 1138851494 is 4941588311.

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

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25882967 + ... + 25883010.

It is an arithmetic number, because the mean of its divisors is an integer number (232946901).

Almost surely, 2^1138851494 is an apocalyptic number.

1138851494 is a deficient number, since it is larger than the sum of its proper divisors (724723714).

1138851494 is a wasteful number, since it uses less digits than its factorization.

1138851494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51765990.

The product of its digits is 138240, while the sum is 44.

The square root of 1138851494 is about 33746.8738404019. The cubic root of 1138851494 is about 1044.2929961340.

The spelling of 1138851494 in words is "one billion, one hundred thirty-eight million, eight hundred fifty-one thousand, four hundred ninety-four".