1132648757 has 8 divisors (see below), whose sum is σ = 1144803000. Its totient is φ = 1120526784.

The previous prime is 1132648753. The next prime is 1132648763. The reversal of 1132648757 is 7578462311.

It can be written as a sum of positive squares in 4 ways, for example, as 540748516 + 591900241 = 23254^2 + 24329^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1132648757 - 2² = 1132648753 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132648753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66119 + ... + 81467.

It is an arithmetic number, because the mean of its divisors is an integer number (143100375).

Almost surely, 2^1132648757 is an apocalyptic number.

It is an amenable number.

1132648757 is a deficient number, since it is larger than the sum of its proper divisors (12154243).

1132648757 is a wasteful number, since it uses less digits than its factorization.

1132648757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16135.

The product of its digits is 282240, while the sum is 44.

The square root of 1132648757 is about 33654.8474517416. The cubic root of 1132648757 is about 1042.3936351330.

The spelling of 1132648757 in words is "one billion, one hundred thirty-two million, six hundred forty-eight thousand, seven hundred fifty-seven".