39246135142 has 4 divisors (see below), whose sum is σ = 58869202716. Its totient is φ = 19623067570.

The previous prime is 39246135139. The next prime is 39246135143. The reversal of 39246135142 is 24153164293.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 39246135095 and 39246135104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39246135143) 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 as a sum of consecutive naturals, namely, 9811533784 + ... + 9811533787.

It is an arithmetic number, because the mean of its divisors is an integer number (14717300679).

Almost surely, 2^39246135142 is an apocalyptic number.

39246135142 is a deficient number, since it is larger than the sum of its proper divisors (19623067574).

39246135142 is a wasteful number, since it uses less digits than its factorization.

39246135142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19623067573.

The product of its digits is 155520, while the sum is 40.

The spelling of 39246135142 in words is "thirty-nine billion, two hundred forty-six million, one hundred thirty-five thousand, one hundred forty-two".