2136454111 has 16 divisors (see below), whose sum is σ = 2417414688. Its totient is φ = 1870992000.

The previous prime is 2136454109. The next prime is 2136454129. The reversal of 2136454111 is 1114546312.

It is a cyclic number.

It is not a de Polignac number, because 2136454111 - 2¹ = 2136454109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2136454111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136454181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15121 + ... + 67093.

It is an arithmetic number, because the mean of its divisors is an integer number (151088418).

Almost surely, 2^2136454111 is an apocalyptic number.

2136454111 is a deficient number, since it is larger than the sum of its proper divisors (280960577).

2136454111 is a wasteful number, since it uses less digits than its factorization.

2136454111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52122.

The product of its digits is 2880, while the sum is 28.

The square root of 2136454111 is about 46221.7925982972. The cubic root of 2136454111 is about 1287.9465981534.

The spelling of 2136454111 in words is "two billion, one hundred thirty-six million, four hundred fifty-four thousand, one hundred eleven".