142968636 has 36 divisors (see below), whose sum is σ = 369801432. Its totient is φ = 46547424.

The previous prime is 142968619. The next prime is 142968643. The reversal of 142968636 is 636869241.

142968636 is a `hidden beast` number, since 1 + 4 + 2 + 9 + 6 + 8 + 636 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 142968591 and 142968600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44631 + ... + 47726.

It is an arithmetic number, because the mean of its divisors is an integer number (10272262).

Almost surely, 2^142968636 is an apocalyptic number.

It is an amenable number.

142968636 is an abundant number, since it is smaller than the sum of its proper divisors (226832796).

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

142968636 is a wasteful number, since it uses less digits than its factorization.

142968636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92410 (or 92405 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 142968636 is about 11956.9492764668. The cubic root of 142968636 is about 522.8939190421.

The spelling of 142968636 in words is "one hundred forty-two million, nine hundred sixty-eight thousand, six hundred thirty-six".