2132155436 has 24 divisors (see below), whose sum is σ = 3959461296. Its totient is φ = 1001157120.

The previous prime is 2132155427. The next prime is 2132155439. The reversal of 2132155436 is 6345512312.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2132155439) 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, 3230 + ... + 65381.

It is an arithmetic number, because the mean of its divisors is an integer number (164977554).

Almost surely, 2^2132155436 is an apocalyptic number.

It is an amenable number.

2132155436 is a deficient number, since it is larger than the sum of its proper divisors (1827305860).

2132155436 is a wasteful number, since it uses less digits than its factorization.

2132155436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69089 (or 69087 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 2132155436 is about 46175.2686619147. The cubic root of 2132155436 is about 1287.0822093196.

Adding to 2132155436 its reverse (6345512312), we get a palindrome (8477667748).

The spelling of 2132155436 in words is "two billion, one hundred thirty-two million, one hundred fifty-five thousand, four hundred thirty-six".