1138790316 has 12 divisors (see below), whose sum is σ = 2657177432. Its totient is φ = 379596768.

The previous prime is 1138790287. The next prime is 1138790347. The reversal of 1138790316 is 6130978311.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47449585 + ... + 47449608.

Almost surely, 2^1138790316 is an apocalyptic number.

It is an amenable number.

1138790316 is an abundant number, since it is smaller than the sum of its proper divisors (1518387116).

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

1138790316 is a wasteful number, since it uses less digits than its factorization.

1138790316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94899200 (or 94899198 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 1138790316 is about 33745.9674035284. The cubic root of 1138790316 is about 1044.2742963295.

The spelling of 1138790316 in words is "one billion, one hundred thirty-eight million, seven hundred ninety thousand, three hundred sixteen".