2171134354 has 4 divisors (see below), whose sum is σ = 3256701534. Its totient is φ = 1085567176.

The previous prime is 2171134331. The next prime is 2171134367. The reversal of 2171134354 is 4534311712.

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

It can be written as a sum of positive squares in only one way, i.e., 2150640625 + 20493729 = 46375^2 + 4527^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542783587 + ... + 542783590.

Almost surely, 2^2171134354 is an apocalyptic number.

2171134354 is a deficient number, since it is larger than the sum of its proper divisors (1085567180).

2171134354 is a wasteful number, since it uses less digits than its factorization.

2171134354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085567179.

The product of its digits is 10080, while the sum is 31.

The square root of 2171134354 is about 46595.4327590162. The cubic root of 2171134354 is about 1294.8781416122.

It can be divided in two parts, 21711 and 34354, that added together give a palindrome (56065).

The spelling of 2171134354 in words is "two billion, one hundred seventy-one million, one hundred thirty-four thousand, three hundred fifty-four".