7000138106 has 16 divisors (see below), whose sum is σ = 11311012104. Its totient is φ = 3229948224.

The previous prime is 7000138073. The next prime is 7000138121. The reversal of 7000138106 is 6018310007.

It can be written as a sum of positive squares in 4 ways, for example, as 4965316225 + 2034821881 = 70465^2 + 45109^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 65240 + ... + 135116.

Almost surely, 2^7000138106 is an apocalyptic number.

7000138106 is a deficient number, since it is larger than the sum of its proper divisors (4310873998).

7000138106 is a wasteful number, since it uses less digits than its factorization.

7000138106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73745.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 7000138106 is about 83666.8279905483. The cubic root of 7000138106 is about 1912.9437630360.

The spelling of 7000138106 in words is "seven billion, one hundred thirty-eight thousand, one hundred six".