142928643636 has 60 divisors (see below), whose sum is σ = 373706292960. Its totient is φ = 47634901200.

The previous prime is 142928643601. The next prime is 142928643647. The reversal of 142928643636 is 636346829241.

142928643636 is a `hidden beast` number, since 1 + 42 + 92 + 86 + 436 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2088855 + ... + 2156193.

It is an arithmetic number, because the mean of its divisors is an integer number (6228438216).

Almost surely, 2^142928643636 is an apocalyptic number.

It is an amenable number.

142928643636 is an abundant number, since it is smaller than the sum of its proper divisors (230777649324).

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

142928643636 is a wasteful number, since it uses less digits than its factorization.

142928643636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73906 (or 73895 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 54.

The spelling of 142928643636 in words is "one hundred forty-two billion, nine hundred twenty-eight million, six hundred forty-three thousand, six hundred thirty-six".