5312142 has 60 divisors (see below), whose sum is σ = 13131888. Its totient is φ = 1603800.

The previous prime is 5312141. The next prime is 5312147. The reversal of 5312142 is 2412135.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5312141) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 19467 + ... + 19737.

Almost surely, 2^5312142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5312142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6565944).

5312142 is an abundant number, since it is smaller than the sum of its proper divisors (7819746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5312142 is a wasteful number, since it uses less digits than its factorization.

5312142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 287 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 5312142 is about 2304.8084519109. The cubic root of 5312142 is about 174.4843815984.

Adding to 5312142 its reverse (2412135), we get a palindrome (7724277).

The spelling of 5312142 in words is "five million, three hundred twelve thousand, one hundred forty-two".