2121376146 has 8 divisors (see below), whose sum is σ = 4242752304. Its totient is φ = 707125380.

The previous prime is 2121376139. The next prime is 2121376171. The reversal of 2121376146 is 6416731212.

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

2121376146 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176781340 + ... + 176781351.

It is an arithmetic number, because the mean of its divisors is an integer number (530344038).

Almost surely, 2^2121376146 is an apocalyptic number.

2121376146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121376146 is a wasteful number, since it uses less digits than its factorization.

2121376146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353562696.

The product of its digits is 12096, while the sum is 33.

The square root of 2121376146 is about 46058.3992991506. The cubic root of 2121376146 is about 1284.9095599669.

The spelling of 2121376146 in words is "two billion, one hundred twenty-one million, three hundred seventy-six thousand, one hundred forty-six".