1132657985 has 8 divisors (see below), whose sum is σ = 1360435176. Its totient is φ = 905296000.

The previous prime is 1132657951. The next prime is 1132657991. The reversal of 1132657985 is 5897562311.

It can be written as a sum of positive squares in 4 ways, for example, as 212809744 + 919848241 = 14588^2 + 30329^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1132657985 - 2⁶ = 1132657921 is a prime.

It is a super-2 number, since 2×1132657985² = 2565828221968520450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97766 + ... + 108735.

It is an arithmetic number, because the mean of its divisors is an integer number (170054397).

Almost surely, 2^1132657985 is an apocalyptic number.

It is an amenable number.

1132657985 is a deficient number, since it is larger than the sum of its proper divisors (227777191).

1132657985 is a wasteful number, since it uses less digits than its factorization.

1132657985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207603.

The product of its digits is 453600, while the sum is 47.

The square root of 1132657985 is about 33654.9845490976. The cubic root of 1132657985 is about 1042.3964660142.

The spelling of 1132657985 in words is "one billion, one hundred thirty-two million, six hundred fifty-seven thousand, nine hundred eighty-five".