138010501 has 4 divisors (see below), whose sum is σ = 138083904. Its totient is φ = 137937100.

The previous prime is 138010493. The next prime is 138010529. The reversal of 138010501 is 105010831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 138010501 - 2³ = 138010493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138010571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33805 + ... + 37666.

It is an arithmetic number, because the mean of its divisors is an integer number (34520976).

Almost surely, 2^138010501 is an apocalyptic number.

It is an amenable number.

138010501 is a deficient number, since it is larger than the sum of its proper divisors (73403).

138010501 is an equidigital number, since it uses as much as digits as its factorization.

138010501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73402.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 138010501 is about 11747.7870682099. The cubic root of 138010501 is about 516.7780325089.

It can be divided in two parts, 1380 and 10501, that added together give a square (11881 = 109²).

The spelling of 138010501 in words is "one hundred thirty-eight million, ten thousand, five hundred one".