2144135534 has 4 divisors (see below), whose sum is σ = 3216203304. Its totient is φ = 1072067766.

The previous prime is 2144135527. The next prime is 2144135573. The reversal of 2144135534 is 4355314412.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2144135534² = 9194634376322930312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2144135534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536033882 + ... + 536033885.

It is an arithmetic number, because the mean of its divisors is an integer number (804050826).

Almost surely, 2^2144135534 is an apocalyptic number.

2144135534 is a deficient number, since it is larger than the sum of its proper divisors (1072067770).

2144135534 is a wasteful number, since it uses less digits than its factorization.

2144135534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072067769.

The product of its digits is 28800, while the sum is 32.

The square root of 2144135534 is about 46304.8111323219. The cubic root of 2144135534 is about 1289.4883161848.

Adding to 2144135534 its reverse (4355314412), we get a palindrome (6499449946).

The spelling of 2144135534 in words is "two billion, one hundred forty-four million, one hundred thirty-five thousand, five hundred thirty-four".