1138130635 has 16 divisors (see below), whose sum is σ = 1374734592. Its totient is φ = 904540000.

The previous prime is 1138130633. The next prime is 1138130641. The reversal of 1138130635 is 5360318311.

It is not a de Polignac number, because 1138130635 - 2¹ = 1138130633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1138130597 and 1138130606.

It is not an unprimeable number, because it can be changed into a prime (1138130633) 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 15 ways as a sum of consecutive naturals, for example, 615282 + ... + 617128.

It is an arithmetic number, because the mean of its divisors is an integer number (85920912).

Almost surely, 2^1138130635 is an apocalyptic number.

1138130635 is a deficient number, since it is larger than the sum of its proper divisors (236603957).

1138130635 is a wasteful number, since it uses less digits than its factorization.

1138130635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2594.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1138130635 is about 33736.1917678922. The cubic root of 1138130635 is about 1044.0726141979.

Adding to 1138130635 its reverse (5360318311), we get a palindrome (6498448946).

The spelling of 1138130635 in words is "one billion, one hundred thirty-eight million, one hundred thirty thousand, six hundred thirty-five".