2174136665145 has 16 divisors (see below), whose sum is σ = 3485761630080. Its totient is φ = 1157158566144.

The previous prime is 2174136665137. The next prime is 2174136665159. The reversal of 2174136665145 is 5415666314712.

It is not a de Polignac number, because 2174136665145 - 2³ = 2174136665137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148804240 + ... + 148818849.

It is an arithmetic number, because the mean of its divisors is an integer number (217860101880).

Almost surely, 2^{2174136665145} is an apocalyptic number.

It is an amenable number.

2174136665145 is a deficient number, since it is larger than the sum of its proper divisors (1311624964935).

2174136665145 is a wasteful number, since it uses less digits than its factorization.

2174136665145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297623584.

The product of its digits is 3628800, while the sum is 51.

The spelling of 2174136665145 in words is "two trillion, one hundred seventy-four billion, one hundred thirty-six million, six hundred sixty-five thousand, one hundred forty-five".