3125138 has 8 divisors (see below), whose sum is σ = 4704588. Its totient is φ = 1556944.

The previous prime is 3125117. The next prime is 3125147. The reversal of 3125138 is 8315213.

It can be written as a sum of positive squares in 2 ways, for example, as 2007889 + 1117249 = 1417^2 + 1057^2 .

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

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, 2081 + ... + 3252.

Almost surely, 2^3125138 is an apocalyptic number.

3125138 is a deficient number, since it is larger than the sum of its proper divisors (1579450).

3125138 is a wasteful number, since it uses less digits than its factorization.

3125138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5628.

The product of its digits is 720, while the sum is 23.

The square root of 3125138 is about 1767.8059848298. The cubic root of 3125138 is about 146.2030389560.

The spelling of 3125138 in words is "three million, one hundred twenty-five thousand, one hundred thirty-eight".