6139066 has 4 divisors (see below), whose sum is σ = 9208602. Its totient is φ = 3069532.

The previous prime is 6139061. The next prime is 6139073. The reversal of 6139066 is 6609316.

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., 3721041 + 2418025 = 1929^2 + 1555^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6139061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1534765 + ... + 1534768.

Almost surely, 2^6139066 is an apocalyptic number.

6139066 is a deficient number, since it is larger than the sum of its proper divisors (3069536).

6139066 is a wasteful number, since it uses less digits than its factorization.

6139066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3069535.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 6139066 is about 2477.7138656431. The cubic root of 6139066 is about 183.1052377265.

The spelling of 6139066 in words is "six million, one hundred thirty-nine thousand, sixty-six".