3138142 has 8 divisors (see below), whose sum is σ = 5379696. Its totient is φ = 1344912.

The previous prime is 3138137. The next prime is 3138167. The reversal of 3138142 is 2418313.

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

It is a congruent 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, 112063 + ... + 112090.

It is an arithmetic number, because the mean of its divisors is an integer number (672462).

Almost surely, 2^3138142 is an apocalyptic number.

3138142 is a deficient number, since it is larger than the sum of its proper divisors (2241554).

3138142 is a wasteful number, since it uses less digits than its factorization.

3138142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224162.

The product of its digits is 576, while the sum is 22.

The square root of 3138142 is about 1771.4801720595. The cubic root of 3138142 is about 146.4055466361.

The spelling of 3138142 in words is "three million, one hundred thirty-eight thousand, one hundred forty-two".