1138261704 has 64 divisors (see below), whose sum is σ = 2889216000. Its totient is φ = 373638720.

The previous prime is 1138261703. The next prime is 1138261717. The reversal of 1138261704 is 4071628311.

It is not an unprimeable number, because it can be changed into a prime (1138261703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1249009 + ... + 1249919.

It is an arithmetic number, because the mean of its divisors is an integer number (45144000).

Almost surely, 2^1138261704 is an apocalyptic number.

It is an amenable number.

1138261704 is an abundant number, since it is smaller than the sum of its proper divisors (1750954296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1138261704 is a wasteful number, since it uses less digits than its factorization.

1138261704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658 (or 1654 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 1138261704 is about 33738.1342696955. The cubic root of 1138261704 is about 1044.1126917005.

The spelling of 1138261704 in words is "one billion, one hundred thirty-eight million, two hundred sixty-one thousand, seven hundred four".