1573138 has 16 divisors (see below), whose sum is σ = 2712960. Its totient is φ = 670176.

The previous prime is 1573133. The next prime is 1573139. The reversal of 1573138 is 8313751.

It is not an unprimeable number, because it can be changed into a prime (1573133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4203 + ... + 4561.

It is an arithmetic number, because the mean of its divisors is an integer number (169560).

2^1573138 is an apocalyptic number.

1573138 is a deficient number, since it is larger than the sum of its proper divisors (1139822).

1573138 is a wasteful number, since it uses less digits than its factorization.

1573138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681.

The product of its digits is 2520, while the sum is 28.

The square root of 1573138 is about 1254.2479818600. The cubic root of 1573138 is about 116.3024706286.

Adding to 1573138 its reverse (8313751), we get a palindrome (9886889).

It can be divided in two parts, 1573 and 138, that added together give a triangular number (1711 = T₅₈).

The spelling of 1573138 in words is "one million, five hundred seventy-three thousand, one hundred thirty-eight".