142012541436 has 24 divisors (see below), whose sum is σ = 350854514640. Its totient is φ = 44552954112.

The previous prime is 142012541381. The next prime is 142012541479. The reversal of 142012541436 is 634145210241.

It is a happy number.

It is a super-2 number, since 2×142012541436² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142012541397 and 142012541406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348069751 + ... + 348070158.

It is an arithmetic number, because the mean of its divisors is an integer number (14618938110).

Almost surely, 2^142012541436 is an apocalyptic number.

It is an amenable number.

142012541436 is an abundant number, since it is smaller than the sum of its proper divisors (208841973204).

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

142012541436 is a wasteful number, since it uses less digits than its factorization.

142012541436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696139933 (or 696139931 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 142012541436 its reverse (634145210241), we get a palindrome (776157751677).

The spelling of 142012541436 in words is "one hundred forty-two billion, twelve million, five hundred forty-one thousand, four hundred thirty-six".