39138531046 has 8 divisors (see below), whose sum is σ = 58709116224. Its totient is φ = 19568825640.

The previous prime is 39138531031. The next prime is 39138531059. The reversal of 39138531046 is 64013583193.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×39138531046² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 39138530993 and 39138531011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94390 + ... + 295273.

It is an arithmetic number, because the mean of its divisors is an integer number (7338639528).

Almost surely, 2^39138531046 is an apocalyptic number.

39138531046 is a deficient number, since it is larger than the sum of its proper divisors (19570585178).

39138531046 is a wasteful number, since it uses less digits than its factorization.

39138531046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439886.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 39138531046 in words is "thirty-nine billion, one hundred thirty-eight million, five hundred thirty-one thousand, forty-six".