1232135982 has 256 divisors, whose sum is σ = 3597926400. Its totient is φ = 305791200.

The previous prime is 1232135953. The next prime is 1232135987. The reversal of 1232135982 is 2895312321.

1232135982 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232135987) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15596619 + ... + 15596697.

It is an arithmetic number, because the mean of its divisors is an integer number (14054400).

Almost surely, 2^1232135982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1232135982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1798963200).

1232135982 is an abundant number, since it is smaller than the sum of its proper divisors (2365790418).

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

1232135982 is a wasteful number, since it uses less digits than its factorization.

1232135982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 133 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 1232135982 is about 35101.7945695088. The cubic root of 1232135982 is about 1072.0611222064.

The spelling of 1232135982 in words is "one billion, two hundred thirty-two million, one hundred thirty-five thousand, nine hundred eighty-two".