138010723 has 8 divisors (see below), whose sum is σ = 140252256. Its totient is φ = 135777600.

The previous prime is 138010619. The next prime is 138010751. The reversal of 138010723 is 327010831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 138010723 - 2⁹ = 138010211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138310723) 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, 36615 + ... + 40207.

It is an arithmetic number, because the mean of its divisors is an integer number (17531532).

Almost surely, 2^138010723 is an apocalyptic number.

138010723 is a deficient number, since it is larger than the sum of its proper divisors (2241533).

138010723 is an equidigital number, since it uses as much as digits as its factorization.

138010723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4205.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 138010723 is about 11747.7965167941. The cubic root of 138010723 is about 516.7783096006.

The spelling of 138010723 in words is "one hundred thirty-eight million, ten thousand, seven hundred twenty-three".