1146131178 has 8 divisors (see below), whose sum is σ = 2292262368. Its totient is φ = 382043724.

The previous prime is 1146131149. The next prime is 1146131197. The reversal of 1146131178 is 8711316411.

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

1146131178 is an admirable number.

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, 95510926 + ... + 95510937.

It is an arithmetic number, because the mean of its divisors is an integer number (286532796).

Almost surely, 2^1146131178 is an apocalyptic number.

1146131178 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1146131178 is a wasteful number, since it uses less digits than its factorization.

1146131178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191021868.

The product of its digits is 4032, while the sum is 33.

The square root of 1146131178 is about 33854.5591907501. The cubic root of 1146131178 is about 1046.5133565643.

Adding to 1146131178 its reverse (8711316411), we get a palindrome (9857447589).

The spelling of 1146131178 in words is "one billion, one hundred forty-six million, one hundred thirty-one thousand, one hundred seventy-eight".