1539142 has 16 divisors (see below), whose sum is σ = 2578752. Its totient is φ = 682920.

The previous prime is 1539127. The next prime is 1539149. The reversal of 1539142 is 2419351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1539149) 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, 133 + ... + 1759.

It is an arithmetic number, because the mean of its divisors is an integer number (161172).

2^1539142 is an apocalyptic number.

1539142 is a deficient number, since it is larger than the sum of its proper divisors (1039610).

1539142 is a wasteful number, since it uses less digits than its factorization.

1539142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683.

The product of its digits is 1080, while the sum is 25.

The square root of 1539142 is about 1240.6216183833. The cubic root of 1539142 is about 115.4585847528.

It can be divided in two parts, 1539 and 142, that added together give a square (1681 = 41²).

The spelling of 1539142 in words is "one million, five hundred thirty-nine thousand, one hundred forty-two".