142013536 has 48 divisors (see below), whose sum is σ = 321076224. Its totient is φ = 60568704.

The previous prime is 142013533. The next prime is 142013549. The reversal of 142013536 is 635310241.

It is a self number, because there is not a number n which added to its sum of digits gives 142013536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142013533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48531 + ... + 51373.

It is an arithmetic number, because the mean of its divisors is an integer number (6689088).

Almost surely, 2^142013536 is an apocalyptic number.

142013536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142013536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160538112).

142013536 is an abundant number, since it is smaller than the sum of its proper divisors (179062688).

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

142013536 is a wasteful number, since it uses less digits than its factorization.

142013536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083 (or 3075 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 142013536 is about 11916.9432322219. The cubic root of 142013536 is about 521.7269212634.

Adding to 142013536 its reverse (635310241), we get a palindrome (777323777).

The spelling of 142013536 in words is "one hundred forty-two million, thirteen thousand, five hundred thirty-six".