1182135648 has 48 divisors (see below), whose sum is σ = 3203214336. Its totient is φ = 381333120.

The previous prime is 1182135631. The next prime is 1182135667. The reversal of 1182135648 is 8465312811.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent 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, 195636 + ... + 201587.

It is an arithmetic number, because the mean of its divisors is an integer number (66733632).

Almost surely, 2^1182135648 is an apocalyptic number.

It is an amenable number.

1182135648 is an abundant number, since it is smaller than the sum of its proper divisors (2021078688).

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

1182135648 is a wasteful number, since it uses less digits than its factorization.

1182135648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397267 (or 397259 counting only the distinct ones).

The product of its digits is 46080, while the sum is 39.

The square root of 1182135648 is about 34382.1995805969. The cubic root of 1182135648 is about 1057.3589311570.

The spelling of 1182135648 in words is "one billion, one hundred eighty-two million, one hundred thirty-five thousand, six hundred forty-eight".