3146129218 has 4 divisors (see below), whose sum is σ = 4719193830. Its totient is φ = 1573064608.

The previous prime is 3146129201. The next prime is 3146129227. The reversal of 3146129218 is 8129216413.

3146129218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 2753415729 + 392713489 = 52473^2 + 19817^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 786532303 + ... + 786532306.

Almost surely, 2^3146129218 is an apocalyptic number.

3146129218 is a deficient number, since it is larger than the sum of its proper divisors (1573064612).

3146129218 is a wasteful number, since it uses less digits than its factorization.

3146129218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573064611.

The product of its digits is 20736, while the sum is 37.

The square root of 3146129218 is about 56090.3665347268. The cubic root of 3146129218 is about 1465.2965216513.

The spelling of 3146129218 in words is "three billion, one hundred forty-six million, one hundred twenty-nine thousand, two hundred eighteen".