1149678276 has 48 divisors (see below), whose sum is σ = 2889535488. Its totient is φ = 354736800.

The previous prime is 1149678269. The next prime is 1149678289. The reversal of 1149678276 is 6728769411.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58630 + ... + 75741.

It is an arithmetic number, because the mean of its divisors is an integer number (60198656).

Almost surely, 2^1149678276 is an apocalyptic number.

It is an amenable number.

1149678276 is an abundant number, since it is smaller than the sum of its proper divisors (1739857212).

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

1149678276 is a wasteful number, since it uses less digits than its factorization.

1149678276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134432 (or 134430 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 51.

The square root of 1149678276 is about 33906.9060222250. The cubic root of 1149678276 is about 1047.5918435162.

The spelling of 1149678276 in words is "one billion, one hundred forty-nine million, six hundred seventy-eight thousand, two hundred seventy-six".