1139085634 has 8 divisors (see below), whose sum is σ = 1708813260. Its totient is φ = 569481216.

The previous prime is 1139085631. The next prime is 1139085667. The reversal of 1139085634 is 4365809311.

It can be written as a sum of positive squares in 2 ways, for example, as 1138860009 + 225625 = 33747^2 + 475^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1139085631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2479 + ... + 47794.

Almost surely, 2^1139085634 is an apocalyptic number.

1139085634 is a deficient number, since it is larger than the sum of its proper divisors (569727626).

1139085634 is a wasteful number, since it uses less digits than its factorization.

1139085634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61604.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 1139085634 is about 33750.3427241858. The cubic root of 1139085634 is about 1044.3645577054.

The spelling of 1139085634 in words is "one billion, one hundred thirty-nine million, eighty-five thousand, six hundred thirty-four".