2171825134 has 8 divisors (see below), whose sum is σ = 3429197640. Its totient is φ = 1028759256.

The previous prime is 2171825113. The next prime is 2171825137. The reversal of 2171825134 is 4315281712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2171825134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2171825137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28576609 + ... + 28576684.

It is an arithmetic number, because the mean of its divisors is an integer number (428649705).

Almost surely, 2^2171825134 is an apocalyptic number.

2171825134 is a deficient number, since it is larger than the sum of its proper divisors (1257372506).

2171825134 is a wasteful number, since it uses less digits than its factorization.

2171825134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57153314.

The product of its digits is 13440, while the sum is 34.

The square root of 2171825134 is about 46602.8446985804. The cubic root of 2171825134 is about 1295.0154555581.

The spelling of 2171825134 in words is "two billion, one hundred seventy-one million, eight hundred twenty-five thousand, one hundred thirty-four".