6138542 has 4 divisors (see below), whose sum is σ = 9207816. Its totient is φ = 3069270.

The previous prime is 6138523. The next prime is 6138557. The reversal of 6138542 is 2458316.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1534634 + ... + 1534637.

It is an arithmetic number, because the mean of its divisors is an integer number (2301954).

Almost surely, 2^6138542 is an apocalyptic number.

6138542 is a deficient number, since it is larger than the sum of its proper divisors (3069274).

6138542 is a wasteful number, since it uses less digits than its factorization.

6138542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3069273.

The product of its digits is 5760, while the sum is 29.

The square root of 6138542 is about 2477.6081207487. The cubic root of 6138542 is about 183.1000279289.

The spelling of 6138542 in words is "six million, one hundred thirty-eight thousand, five hundred forty-two".