39711020138 has 16 divisors (see below), whose sum is σ = 62013050280. Its totient is φ = 19048725696.

The previous prime is 39711020123. The next prime is 39711020149. The reversal of 39711020138 is 83102011793.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27638065009 + 12072955129 = 166247^2 + 109877^2 .

It is a junction number, because it is equal to n+sod(n) for n = 39711020098 and 39711020107.

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 7 ways as a sum of consecutive naturals, for example, 2171381 + ... + 2189592.

Almost surely, 2^39711020138 is an apocalyptic number.

39711020138 is a deficient number, since it is larger than the sum of its proper divisors (22302030142).

39711020138 is a wasteful number, since it uses less digits than its factorization.

39711020138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4361161.

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 39711020138 in words is "thirty-nine billion, seven hundred eleven million, twenty thousand, one hundred thirty-eight".