138007010 has 16 divisors (see below), whose sum is σ = 252486072. Its totient is φ = 54297600.

The previous prime is 138006997. The next prime is 138007019. The reversal of 138007010 is 10700831.

It can be written as a sum of positive squares in 4 ways, for example, as 90079081 + 47927929 = 9491^2 + 6923^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (138007019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112511 + ... + 113730.

Almost surely, 2^138007010 is an apocalyptic number.

138007010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138007010 is a deficient number, since it is larger than the sum of its proper divisors (114479062).

138007010 is a wasteful number, since it uses less digits than its factorization.

138007010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226309.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 138007010 is about 11747.6384860958. The cubic root of 138007010 is about 516.7736751417.

Adding to 138007010 its reverse (10700831), we get a palindrome (148707841).

The spelling of 138007010 in words is "one hundred thirty-eight million, seven thousand, ten".