2152400132 has 12 divisors (see below), whose sum is σ = 3768931740. Its totient is φ = 1075562496.

The previous prime is 2152400093. The next prime is 2152400143. The reversal of 2152400132 is 2310042512.

It can be written as a sum of positive squares in 2 ways, for example, as 1064455876 + 1087944256 = 32626^2 + 32984^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151757 + ... + 165332.

It is an arithmetic number, because the mean of its divisors is an integer number (314077645).

Almost surely, 2^2152400132 is an apocalyptic number.

It is an amenable number.

2152400132 is a deficient number, since it is larger than the sum of its proper divisors (1616531608).

2152400132 is a wasteful number, since it uses less digits than its factorization.

2152400132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318790 (or 318788 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2152400132 is about 46393.9665473863. The cubic root of 2152400132 is about 1291.1429751355.

Adding to 2152400132 its reverse (2310042512), we get a palindrome (4462442644).

The spelling of 2152400132 in words is "two billion, one hundred fifty-two million, four hundred thousand, one hundred thirty-two".