1131691084 has 12 divisors (see below), whose sum is σ = 2044345408. Its totient is φ = 547592400.

The previous prime is 1131691079. The next prime is 1131691117. The reversal of 1131691084 is 4801961311.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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, 4563147 + ... + 4563394.

Almost surely, 2^1131691084 is an apocalyptic number.

It is an amenable number.

1131691084 is a deficient number, since it is larger than the sum of its proper divisors (912654324).

1131691084 is a wasteful number, since it uses less digits than its factorization.

1131691084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9126576 (or 9126574 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 1131691084 is about 33640.6165817453. The cubic root of 1131691084 is about 1042.0997653528.

It can be divided in two parts, 11316 and 91084, that added together give a square (102400 = 320²).

The spelling of 1131691084 in words is "one billion, one hundred thirty-one million, six hundred ninety-one thousand, eighty-four".