3138542 has 16 divisors (see below), whose sum is σ = 5163264. Its totient is φ = 1419000.

The previous prime is 3138539. The next prime is 3138547. The reversal of 3138542 is 2458313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3138547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7067 + ... + 7497.

It is an arithmetic number, because the mean of its divisors is an integer number (322704).

Almost surely, 2^3138542 is an apocalyptic number.

3138542 is a deficient number, since it is larger than the sum of its proper divisors (2024722).

3138542 is a wasteful number, since it uses less digits than its factorization.

3138542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775.

The product of its digits is 2880, while the sum is 26.

The square root of 3138542 is about 1771.5930683992. The cubic root of 3138542 is about 146.4117668486.

The spelling of 3138542 in words is "three million, one hundred thirty-eight thousand, five hundred forty-two".