142136385732 has 36 divisors (see below), whose sum is σ = 391951852656. Its totient is φ = 43071631920.

The previous prime is 142136385707. The next prime is 142136385737. The reversal of 142136385732 is 237583631241.

142136385732 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 3 + 638 + 5 + 7 + 3 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (142136385737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179464738 + ... + 179465529.

Almost surely, 2^142136385732 is an apocalyptic number.

142136385732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142136385732 is an abundant number, since it is smaller than the sum of its proper divisors (249815466924).

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

142136385732 is a wasteful number, since it uses less digits than its factorization.

142136385732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358930288 (or 358930283 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The spelling of 142136385732 in words is "one hundred forty-two billion, one hundred thirty-six million, three hundred eighty-five thousand, seven hundred thirty-two".