2154544135 has 8 divisors (see below), whose sum is σ = 2585758320. Its totient is φ = 1723431744.

The previous prime is 2154544099. The next prime is 2154544141. The reversal of 2154544135 is 5314454512.

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 2154544135 - 2¹⁵ = 2154511367 is a prime.

It is a super-4 number, since 4×2154544135⁴ (a number of 38 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2154544135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33564 + ... + 73726.

It is an arithmetic number, because the mean of its divisors is an integer number (323219790).

Almost surely, 2^2154544135 is an apocalyptic number.

2154544135 is a deficient number, since it is larger than the sum of its proper divisors (431214185).

2154544135 is a wasteful number, since it uses less digits than its factorization.

2154544135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50897.

The product of its digits is 48000, while the sum is 34.

The square root of 2154544135 is about 46417.0672813352. The cubic root of 2154544135 is about 1291.5715348228.

Adding to 2154544135 its reverse (5314454512), we get a palindrome (7468998647).

The spelling of 2154544135 in words is "two billion, one hundred fifty-four million, five hundred forty-four thousand, one hundred thirty-five".