1138130633 has 2 divisors, whose sum is σ = 1138130634. Its totient is φ = 1138130632.

The previous prime is 1138130627. The next prime is 1138130641. The reversal of 1138130633 is 3360318311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 693426889 + 444703744 = 26333^2 + 21088^2 .

It is a cyclic number.

It is not a de Polignac number, because 1138130633 - 2²⁰ = 1137082057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1138130596 and 1138130605.

It is not a weakly prime, because it can be changed into another prime (1138130033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569065316 + 569065317.

It is an arithmetic number, because the mean of its divisors is an integer number (569065317).

Almost surely, 2^1138130633 is an apocalyptic number.

It is an amenable number.

1138130633 is a deficient number, since it is larger than the sum of its proper divisors (1).

1138130633 is an equidigital number, since it uses as much as digits as its factorization.

1138130633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1138130633 is about 33736.1917382505. The cubic root of 1138130633 is about 1044.0726135863.

Adding to 1138130633 its reverse (3360318311), we get a palindrome (4498448944).

The spelling of 1138130633 in words is "one billion, one hundred thirty-eight million, one hundred thirty thousand, six hundred thirty-three".