1138466603 has 4 divisors (see below), whose sum is σ = 1140843840. Its totient is φ = 1136089368.

The previous prime is 1138466597. The next prime is 1138466617. The reversal of 1138466603 is 3066648311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1138466603 - 2¹⁶ = 1138401067 is a prime.

It is a super-4 number, since 4×1138466603⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1138462603) 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 3 ways as a sum of consecutive naturals, for example, 1187900 + ... + 1188857.

It is an arithmetic number, because the mean of its divisors is an integer number (285210960).

Almost surely, 2^1138466603 is an apocalyptic number.

1138466603 is a deficient number, since it is larger than the sum of its proper divisors (2377237).

1138466603 is an equidigital number, since it uses as much as digits as its factorization.

1138466603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377236.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 1138466603 is about 33741.1707413954. The cubic root of 1138466603 is about 1044.1753383397.

The spelling of 1138466603 in words is "one billion, one hundred thirty-eight million, four hundred sixty-six thousand, six hundred three".