138310001 has 2 divisors, whose sum is σ = 138310002. Its totient is φ = 138310000.

The previous prime is 138309937. The next prime is 138310009. The reversal of 138310001 is 100013831.

138310001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101525776 + 36784225 = 10076^2 + 6065^2 .

It is a cyclic number.

It is not a de Polignac number, because 138310001 - 2⁶ = 138309937 is a prime.

It is not a weakly prime, because it can be changed into another prime (138310009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69155000 + 69155001.

It is an arithmetic number, because the mean of its divisors is an integer number (69155001).

Almost surely, 2^138310001 is an apocalyptic number.

It is an amenable number.

138310001 is a deficient number, since it is larger than the sum of its proper divisors (1).

138310001 is an equidigital number, since it uses as much as digits as its factorization.

138310001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 138310001 is about 11760.5272415823. The cubic root of 138310001 is about 517.1515866806.

Adding to 138310001 its reverse (100013831), we get a palindrome (238323832).

The spelling of 138310001 in words is "one hundred thirty-eight million, three hundred ten thousand, one".