2132115464 has 8 divisors (see below), whose sum is σ = 3997716510. Its totient is φ = 1066057728.

The previous prime is 2132115449. The next prime is 2132115487. The reversal of 2132115464 is 4645112312.

It can be written as a sum of positive squares in only one way, i.e., 1961604100 + 170511364 = 44290^2 + 13058^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133257209 + ... + 133257224.

Almost surely, 2^2132115464 is an apocalyptic number.

It is an amenable number.

2132115464 is a deficient number, since it is larger than the sum of its proper divisors (1865601046).

2132115464 is a wasteful number, since it uses less digits than its factorization.

2132115464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266514439 (or 266514435 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 2132115464 is about 46174.8358307856. The cubic root of 2132115464 is about 1287.0741661956.

Adding to 2132115464 its reverse (4645112312), we get a palindrome (6777227776).

The spelling of 2132115464 in words is "two billion, one hundred thirty-two million, one hundred fifteen thousand, four hundred sixty-four".