6514138 has 4 divisors (see below), whose sum is σ = 9771210. Its totient is φ = 3257068.

The previous prime is 6514127. The next prime is 6514139. The reversal of 6514138 is 8314156.

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., 5184729 + 1329409 = 2277^2 + 1153^2 .

It is not an unprimeable number, because it can be changed into a prime (6514139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1628533 + ... + 1628536.

Almost surely, 2^6514138 is an apocalyptic number.

6514138 is a deficient number, since it is larger than the sum of its proper divisors (3257072).

6514138 is a wasteful number, since it uses less digits than its factorization.

6514138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3257071.

The product of its digits is 2880, while the sum is 28.

The square root of 6514138 is about 2552.2809406490. The cubic root of 6514138 is about 186.7607681719.

The spelling of 6514138 in words is "six million, five hundred fourteen thousand, one hundred thirty-eight".