2155134375 has 144 divisors (see below), whose sum is σ = 4245040800. Its totient is φ = 1049760000.

The previous prime is 2155134349. The next prime is 2155134383. The reversal of 2155134375 is 5734315512.

2155134375 is a `hidden beast` number, since 2 + 1 + 551 + 34 + 3 + 75 = 666.

2155134375 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2155134375 - 2⁹ = 2155133863 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 19771821 + ... + 19771929.

It is an arithmetic number, because the mean of its divisors is an integer number (29479450).

Almost surely, 2^2155134375 is an apocalyptic number.

2155134375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2155134375 is a deficient number, since it is larger than the sum of its proper divisors (2089906425).

2155134375 is a wasteful number, since it uses less digits than its factorization.

2155134375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 173 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 2155134375 is about 46423.4248521153. The cubic root of 2155134375 is about 1291.6894665879.

Adding to 2155134375 its reverse (5734315512), we get a palindrome (7889449887).

The spelling of 2155134375 in words is "two billion, one hundred fifty-five million, one hundred thirty-four thousand, three hundred seventy-five".