1178514138 has 16 divisors (see below), whose sum is σ = 2362910976. Its totient is φ = 391857600.

The previous prime is 1178514133. The next prime is 1178514167. The reversal of 1178514138 is 8314158711.

It is a junction number, because it is equal to n+sod(n) for n = 1178514096 and 1178514105.

It is not an unprimeable number, because it can be changed into a prime (1178514131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242506 + ... + 247317.

It is an arithmetic number, because the mean of its divisors is an integer number (147681936).

Almost surely, 2^1178514138 is an apocalyptic number.

1178514138 is an abundant number, since it is smaller than the sum of its proper divisors (1184396838).

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

1178514138 is a wasteful number, since it uses less digits than its factorization.

1178514138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490229.

The product of its digits is 26880, while the sum is 39.

The square root of 1178514138 is about 34329.4937043936. The cubic root of 1178514138 is about 1056.2780758010.

The spelling of 1178514138 in words is "one billion, one hundred seventy-eight million, five hundred fourteen thousand, one hundred thirty-eight".