2154232132 has 24 divisors (see below), whose sum is σ = 4108821696. Its totient is φ = 982279968.

The previous prime is 2154232123. The next prime is 2154232133. The reversal of 2154232132 is 2312324512.

It is a junction number, because it is equal to n+sod(n) for n = 2154232097 and 2154232106.

It is not an unprimeable number, because it can be changed into a prime (2154232133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245248 + ... + 253879.

It is an arithmetic number, because the mean of its divisors is an integer number (171200904).

Almost surely, 2^2154232132 is an apocalyptic number.

It is an amenable number.

2154232132 is a deficient number, since it is larger than the sum of its proper divisors (1954589564).

2154232132 is a wasteful number, since it uses less digits than its factorization.

2154232132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499227 (or 499225 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 2154232132 is about 46413.7062945850. The cubic root of 2154232132 is about 1291.5091869630.

Adding to 2154232132 its reverse (2312324512), we get a palindrome (4466556644).

The spelling of 2154232132 in words is "two billion, one hundred fifty-four million, two hundred thirty-two thousand, one hundred thirty-two".