1138130637 has 32 divisors (see below), whose sum is σ = 1839043584. Its totient is φ = 611193600.

The previous prime is 1138130633. The next prime is 1138130641. The reversal of 1138130637 is 7360318311.

It is an interprime number because it is at equal distance from previous prime (1138130633) and next prime (1138130641).

It is not a de Polignac number, because 1138130637 - 2² = 1138130633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1138130598 and 1138130607.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 287562 + ... + 291492.

It is an arithmetic number, because the mean of its divisors is an integer number (57470112).

Almost surely, 2^1138130637 is an apocalyptic number.

1138130637 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1138130637 is a deficient number, since it is larger than the sum of its proper divisors (700912947).

1138130637 is a wasteful number, since it uses less digits than its factorization.

1138130637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4769.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 1138130637 is about 33736.1917975340. The cubic root of 1138130637 is about 1044.0726148095.

Adding to 1138130637 its reverse (7360318311), we get a palindrome (8498448948).

The spelling of 1138130637 in words is "one billion, one hundred thirty-eight million, one hundred thirty thousand, six hundred thirty-seven".