1138087959 has 8 divisors (see below), whose sum is σ = 1518351600. Its totient is φ = 758274816.

The previous prime is 1138087957. The next prime is 1138087981. The reversal of 1138087959 is 9597808311.

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

It is not a de Polignac number, because 1138087959 - 2¹ = 1138087957 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138087957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106684 + ... + 116865.

It is an arithmetic number, because the mean of its divisors is an integer number (189793950).

Almost surely, 2^1138087959 is an apocalyptic number.

1138087959 is a deficient number, since it is larger than the sum of its proper divisors (380263641).

1138087959 is a wasteful number, since it uses less digits than its factorization.

1138087959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225249.

The product of its (nonzero) digits is 544320, while the sum is 51.

The square root of 1138087959 is about 33735.5592661512. The cubic root of 1138087959 is about 1044.0595643193.

The spelling of 1138087959 in words is "one billion, one hundred thirty-eight million, eighty-seven thousand, nine hundred fifty-nine".