1134456778 has 48 divisors (see below), whose sum is σ = 2162972160. Its totient is φ = 436632768.

The previous prime is 1134456737. The next prime is 1134456787. The reversal of 1134456778 is 8776544311.

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81063 + ... + 94021.

It is an arithmetic number, because the mean of its divisors is an integer number (45061920).

Almost surely, 2^1134456778 is an apocalyptic number.

1134456778 is a deficient number, since it is larger than the sum of its proper divisors (1028515382).

1134456778 is a wasteful number, since it uses less digits than its factorization.

1134456778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13031 (or 13018 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 1134456778 is about 33681.6979678875. The cubic root of 1134456778 is about 1042.9479898822.

The spelling of 1134456778 in words is "one billion, one hundred thirty-four million, four hundred fifty-six thousand, seven hundred seventy-eight".