3142121394 has 8 divisors (see below), whose sum is σ = 6284242800. Its totient is φ = 1047373796.

The previous prime is 3142121393. The next prime is 3142121417. The reversal of 3142121394 is 4931212413.

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

3142121394 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (3142121393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261843444 + ... + 261843455.

It is an arithmetic number, because the mean of its divisors is an integer number (785530350).

Almost surely, 2^3142121394 is an apocalyptic number.

3142121394 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.

3142121394 is a wasteful number, since it uses less digits than its factorization.

3142121394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523686904.

The product of its digits is 5184, while the sum is 30.

The square root of 3142121394 is about 56054.6286581224. The cubic root of 3142121394 is about 1464.6740481682.

The spelling of 3142121394 in words is "three billion, one hundred forty-two million, one hundred twenty-one thousand, three hundred ninety-four".