1131535716 has 48 divisors (see below), whose sum is σ = 2708509440. Its totient is φ = 367499520.

The previous prime is 1131535661. The next prime is 1131535751. The reversal of 1131535716 is 6175351311.

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, 124776 + ... + 133536.

It is an arithmetic number, because the mean of its divisors is an integer number (56427280).

Almost surely, 2^1131535716 is an apocalyptic number.

It is an amenable number.

1131535716 is an abundant number, since it is smaller than the sum of its proper divisors (1576973724).

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

1131535716 is a wasteful number, since it uses less digits than its factorization.

1131535716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9044 (or 9042 counting only the distinct ones).

The product of its digits is 9450, while the sum is 33.

The square root of 1131535716 is about 33638.3072701347. The cubic root of 1131535716 is about 1042.0520737850.

The spelling of 1131535716 in words is "one billion, one hundred thirty-one million, five hundred thirty-five thousand, seven hundred sixteen".