1138060447 has 12 divisors (see below), whose sum is σ = 1192909480. Its totient is φ = 1085637168.

The previous prime is 1138060433. The next prime is 1138060471. The reversal of 1138060447 is 7440608311.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1138060447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138063447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207304 + ... + 212722.

Almost surely, 2^1138060447 is an apocalyptic number.

1138060447 is a deficient number, since it is larger than the sum of its proper divisors (54849033).

1138060447 is an equidigital number, since it uses as much as digits as its factorization.

1138060447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5862 (or 5839 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 1138060447 is about 33735.1515040321. The cubic root of 1138060447 is about 1044.0511512618.

Adding to 1138060447 its reverse (7440608311), we get a palindrome (8578668758).

The spelling of 1138060447 in words is "one billion, one hundred thirty-eight million, sixty thousand, four hundred forty-seven".