1138037747 has 8 divisors (see below), whose sum is σ = 1418852352. Its totient is φ = 886782600.

The previous prime is 1138037711. The next prime is 1138037753. The reversal of 1138037747 is 7477308311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1138037747 - 2¹² = 1138033651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1138037707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7389779 + ... + 7389932.

It is an arithmetic number, because the mean of its divisors is an integer number (177356544).

Almost surely, 2^1138037747 is an apocalyptic number.

1138037747 is a deficient number, since it is larger than the sum of its proper divisors (280814605).

1138037747 is a wasteful number, since it uses less digits than its factorization.

1138037747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14779729.

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 1138037747 is about 33734.8150580376. The cubic root of 1138037747 is about 1044.0442095923.

The spelling of 1138037747 in words is "one billion, one hundred thirty-eight million, thirty-seven thousand, seven hundred forty-seven".