2128535427 has 8 divisors (see below), whose sum is σ = 2839248720. Its totient is φ = 1418422880.

The previous prime is 2128535369. The next prime is 2128535447. The reversal of 2128535427 is 7245358212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2128535427 - 2¹⁶ = 2128469891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2128535447) 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, 141852 + ... + 156137.

It is an arithmetic number, because the mean of its divisors is an integer number (354906090).

Almost surely, 2^2128535427 is an apocalyptic number.

2128535427 is a deficient number, since it is larger than the sum of its proper divisors (710713293).

2128535427 is a wasteful number, since it uses less digits than its factorization.

2128535427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300373.

The product of its digits is 134400, while the sum is 39.

The square root of 2128535427 is about 46136.0534397991. The cubic root of 2128535427 is about 1286.3533868265.

The spelling of 2128535427 in words is "two billion, one hundred twenty-eight million, five hundred thirty-five thousand, four hundred twenty-seven".