1138357802 has 8 divisors (see below), whose sum is σ = 1716204996. Its totient is φ = 566289472.

The previous prime is 1138357777. The next prime is 1138357807. The reversal of 1138357802 is 2087538311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 784504081 + 353853721 = 28009^2 + 18811^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1138357807) by changing a digit.

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, 1444223 + ... + 1445010.

Almost surely, 2^1138357802 is an apocalyptic number.

1138357802 is a deficient number, since it is larger than the sum of its proper divisors (577847194).

1138357802 is a wasteful number, since it uses less digits than its factorization.

1138357802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889432.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 1138357802 is about 33739.5584144191. The cubic root of 1138357802 is about 1044.1420740232.

The spelling of 1138357802 in words is "one billion, one hundred thirty-eight million, three hundred fifty-seven thousand, eight hundred two".