3143138 has 4 divisors (see below), whose sum is σ = 4714710. Its totient is φ = 1571568.

The previous prime is 3143137. The next prime is 3143141. The reversal of 3143138 is 8313413.

It is a happy number.

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., 3108169 + 34969 = 1763^2 + 187^2 .

It is not an unprimeable number, because it can be changed into a prime (3143131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 785783 + ... + 785786.

Almost surely, 2^3143138 is an apocalyptic number.

3143138 is a deficient number, since it is larger than the sum of its proper divisors (1571572).

3143138 is a wasteful number, since it uses less digits than its factorization.

3143138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571571.

The product of its digits is 864, while the sum is 23.

The square root of 3143138 is about 1772.8897314836. The cubic root of 3143138 is about 146.4831991978.

The spelling of 3143138 in words is "three million, one hundred forty-three thousand, one hundred thirty-eight".