8040139606 has 16 divisors (see below), whose sum is σ = 12356930880. Its totient is φ = 3921203520.

The previous prime is 8040139573. The next prime is 8040139607. The reversal of 8040139606 is 6069310408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8040139607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629920 + ... + 642556.

It is an arithmetic number, because the mean of its divisors is an integer number (772308180).

Almost surely, 2^8040139606 is an apocalyptic number.

8040139606 is a deficient number, since it is larger than the sum of its proper divisors (4316791274).

8040139606 is a wasteful number, since it uses less digits than its factorization.

8040139606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20439.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 8040139606 is about 89666.8255599583. The cubic root of 8040139606 is about 2003.3393883063.

The spelling of 8040139606 in words is "eight billion, forty million, one hundred thirty-nine thousand, six hundred six".