2134167931785 has 64 divisors (see below), whose sum is σ = 3712316396544. Its totient is φ = 1042712985600.

The previous prime is 2134167931783. The next prime is 2134167931787. The reversal of 2134167931785 is 5871397614312.

It is an interprime number because it is at equal distance from previous prime (2134167931783) and next prime (2134167931787).

It is not a de Polignac number, because 2134167931785 - 2¹ = 2134167931783 is a prime.

It is a super-2 number, since 2×2134167931785² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2134167931783) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4269297 + ... + 4742913.

It is an arithmetic number, because the mean of its divisors is an integer number (58004943696).

Almost surely, 2^{2134167931785} is an apocalyptic number.

It is an amenable number.

2134167931785 is a deficient number, since it is larger than the sum of its proper divisors (1578148464759).

2134167931785 is a wasteful number, since it uses less digits than its factorization.

2134167931785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474114.

The product of its digits is 7620480, while the sum is 57.

The spelling of 2134167931785 in words is "two trillion, one hundred thirty-four billion, one hundred sixty-seven million, nine hundred thirty-one thousand, seven hundred eighty-five".