1138558630 has 32 divisors (see below), whose sum is σ = 2238267168. Its totient is φ = 413548800.

The previous prime is 1138558613. The next prime is 1138558649. The reversal of 1138558630 is 368558311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99400 + ... + 110260.

It is an arithmetic number, because the mean of its divisors is an integer number (69945849).

Almost surely, 2^1138558630 is an apocalyptic number.

1138558630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1138558630 is a deficient number, since it is larger than the sum of its proper divisors (1099708538).

1138558630 is a wasteful number, since it uses less digits than its factorization.

1138558630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11832.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 1138558630 is about 33742.5344335603. The cubic root of 1138558630 is about 1044.2034725964.

The spelling of 1138558630 in words is "one billion, one hundred thirty-eight million, five hundred fifty-eight thousand, six hundred thirty".