2145211433134 has 64 divisors (see below), whose sum is σ = 4204338969600. Its totient is φ = 813207457440.

The previous prime is 2145211433129. The next prime is 2145211433147. The reversal of 2145211433134 is 4313341125412.

It is a self number, because there is not a number n which added to its sum of digits gives 2145211433134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3562482 + ... + 4120885.

It is an arithmetic number, because the mean of its divisors is an integer number (65692796400).

Almost surely, 2^{2145211433134} is an apocalyptic number.

2145211433134 is a deficient number, since it is larger than the sum of its proper divisors (2059127536466).

2145211433134 is a wasteful number, since it uses less digits than its factorization.

2145211433134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7683438 (or 7683424 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

Adding to 2145211433134 its reverse (4313341125412), we get a palindrome (6458552558546).

The spelling of 2145211433134 in words is "two trillion, one hundred forty-five billion, two hundred eleven million, four hundred thirty-three thousand, one hundred thirty-four".