2156135343 has 16 divisors (see below), whose sum is σ = 2987520000. Its totient is φ = 1381710240.

The previous prime is 2156135329. The next prime is 2156135351. The reversal of 2156135343 is 3435316512.

It is not a de Polignac number, because 2156135343 - 2¹³ = 2156127151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156139343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63943 + ... + 91656.

It is an arithmetic number, because the mean of its divisors is an integer number (186720000).

Almost surely, 2^2156135343 is an apocalyptic number.

2156135343 is a deficient number, since it is larger than the sum of its proper divisors (831384657).

2156135343 is a wasteful number, since it uses less digits than its factorization.

2156135343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155782.

The product of its digits is 32400, while the sum is 33.

The square root of 2156135343 is about 46434.2044510294. The cubic root of 2156135343 is about 1291.8894138576.

The spelling of 2156135343 in words is "two billion, one hundred fifty-six million, one hundred thirty-five thousand, three hundred forty-three".