1238131682 has 8 divisors (see below), whose sum is σ = 1857363456. Its totient is φ = 619010532.

The previous prime is 1238131639. The next prime is 1238131691. The reversal of 1238131682 is 2861318321.

It is a happy number.

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

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, 11303 + ... + 51029.

It is an arithmetic number, because the mean of its divisors is an integer number (232170432).

Almost surely, 2^1238131682 is an apocalyptic number.

1238131682 is a deficient number, since it is larger than the sum of its proper divisors (619231774).

1238131682 is a wasteful number, since it uses less digits than its factorization.

1238131682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55312.

The product of its digits is 13824, while the sum is 35.

The square root of 1238131682 is about 35187.0953902137. The cubic root of 1238131682 is about 1073.7972289937.

The spelling of 1238131682 in words is "one billion, two hundred thirty-eight million, one hundred thirty-one thousand, six hundred eighty-two".