1182672138 has 32 divisors (see below), whose sum is σ = 2496974400. Its totient is φ = 372404736.

The previous prime is 1182672137. The next prime is 1182672163. The reversal of 1182672138 is 8312762811.

It is a junction number, because it is equal to n+sod(n) for n = 1182672096 and 1182672105.

It is not an unprimeable number, because it can be changed into a prime (1182672137) 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, 25548 + ... + 54936.

It is an arithmetic number, because the mean of its divisors is an integer number (78030450).

Almost surely, 2^1182672138 is an apocalyptic number.

1182672138 is an abundant number, since it is smaller than the sum of its proper divisors (1314302262).

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

1182672138 is a wasteful number, since it uses less digits than its factorization.

1182672138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29766.

The product of its digits is 32256, while the sum is 39.

The square root of 1182672138 is about 34390.0005524862. Note that the first 3 decimals coincide. The cubic root of 1182672138 is about 1057.5188611114.

The spelling of 1182672138 in words is "one billion, one hundred eighty-two million, six hundred seventy-two thousand, one hundred thirty-eight".