1058139549 has 6 divisors (see below), whose sum is σ = 1528423806. Its totient is φ = 705426360.

The previous prime is 1058139539. The next prime is 1058139637. The reversal of 1058139549 is 9459318501.

1058139549 is a `hidden beast` number, since 10 + 581 + 3 + 9 + 54 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 713851524 + 344288025 = 26718^2 + 18555^2 .

It is not a de Polignac number, because 1058139549 - 2⁷ = 1058139421 is a prime.

It is a super-2 number, since 2×1058139549² = 2239318610315846802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1058139539) 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 5 ways as a sum of consecutive naturals, for example, 58785522 + ... + 58785539.

It is an arithmetic number, because the mean of its divisors is an integer number (254737301).

Almost surely, 2^1058139549 is an apocalyptic number.

It is an amenable number.

1058139549 is a deficient number, since it is larger than the sum of its proper divisors (470284257).

1058139549 is a wasteful number, since it uses less digits than its factorization.

1058139549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117571067 (or 117571064 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The square root of 1058139549 is about 32529.0569952466. The cubic root of 1058139549 is about 1019.0159511712.

The spelling of 1058139549 in words is "one billion, fifty-eight million, one hundred thirty-nine thousand, five hundred forty-nine".