3139106 has 4 divisors (see below), whose sum is σ = 4708662. Its totient is φ = 1569552.

The previous prime is 3139069. The next prime is 3139111. The reversal of 3139106 is 6019313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6019313 = 151 ⋅39863.

It can be written as a sum of positive squares in only one way, i.e., 3010225 + 128881 = 1735^2 + 359^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 784775 + ... + 784778.

Almost surely, 2^3139106 is an apocalyptic number.

3139106 is a deficient number, since it is larger than the sum of its proper divisors (1569556).

3139106 is a wasteful number, since it uses less digits than its factorization.

3139106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569555.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 3139106 is about 1771.7522400155. The cubic root of 3139106 is about 146.4205364504.

The spelling of 3139106 in words is "three million, one hundred thirty-nine thousand, one hundred six".