2132855397 has 24 divisors (see below), whose sum is σ = 3183148800. Its totient is φ = 1374747840.

The previous prime is 2132855357. The next prime is 2132855401. The reversal of 2132855397 is 7935582312.

2132855397 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 8 + 553 + 97 = 666.

2132855397 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2132855397 - 2²⁶ = 2065746533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132855357) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 361729 + ... + 367577.

It is an arithmetic number, because the mean of its divisors is an integer number (132631200).

Almost surely, 2^2132855397 is an apocalyptic number.

It is an amenable number.

2132855397 is a deficient number, since it is larger than the sum of its proper divisors (1050293403).

2132855397 is a wasteful number, since it uses less digits than its factorization.

2132855397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7193 (or 7190 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 2132855397 is about 46182.8474327861. The cubic root of 2132855397 is about 1287.2230384492.

The spelling of 2132855397 in words is "two billion, one hundred thirty-two million, eight hundred fifty-five thousand, three hundred ninety-seven".