1135876840 has 48 divisors (see below), whose sum is σ = 2972988900. Its totient is φ = 389442816.

The previous prime is 1135876831. The next prime is 1135876877. The reversal of 1135876840 is 486785311.

It can be written as a sum of positive squares in 2 ways, for example, as 1107425284 + 28451556 = 33278^2 + 5334^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 287805 + ... + 291724.

Almost surely, 2^1135876840 is an apocalyptic number.

1135876840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1135876840 is an abundant number, since it is smaller than the sum of its proper divisors (1837112060).

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

1135876840 is a wasteful number, since it uses less digits than its factorization.

1135876840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579554 (or 579543 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 1135876840 is about 33702.7719928198. The cubic root of 1135876840 is about 1043.3829802363.

The spelling of 1135876840 in words is "one billion, one hundred thirty-five million, eight hundred seventy-six thousand, eight hundred forty".