138845141 has 8 divisors (see below), whose sum is σ = 146340480. Its totient is φ = 131368608.

The previous prime is 138845131. The next prime is 138845143. The reversal of 138845141 is 141548831.

138845141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 138845141 - 2²² = 134650837 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 (138845143) 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, 12020 + ... + 20546.

It is an arithmetic number, because the mean of its divisors is an integer number (18292560).

Almost surely, 2^138845141 is an apocalyptic number.

It is an amenable number.

138845141 is a deficient number, since it is larger than the sum of its proper divisors (7495339).

138845141 is an equidigital number, since it uses as much as digits as its factorization.

138845141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9403.

The product of its digits is 15360, while the sum is 35.

The square root of 138845141 is about 11783.2568078609. The cubic root of 138845141 is about 517.8177046707.

The spelling of 138845141 in words is "one hundred thirty-eight million, eight hundred forty-five thousand, one hundred forty-one".