39145138930177 has 4 divisors (see below), whose sum is σ = 44737301634496. Its totient is φ = 33552976225860.

The previous prime is 39145138930169. The next prime is 39145138930181. The reversal of 39145138930177 is 77103983154193.

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 not a de Polignac number, because 39145138930177 - 2³ = 39145138930169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39145138930127) 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, 2796081352149 + ... + 2796081352162.

It is an arithmetic number, because the mean of its divisors is an integer number (11184325408624).

Almost surely, 2^{39145138930177} is an apocalyptic number.

It is an amenable number.

39145138930177 is a deficient number, since it is larger than the sum of its proper divisors (5592162704319).

39145138930177 is an equidigital number, since it uses as much as digits as its factorization.

39145138930177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5592162704318.

The product of its (nonzero) digits is 17146080, while the sum is 61.

The spelling of 39145138930177 in words is "thirty-nine trillion, one hundred forty-five billion, one hundred thirty-eight million, nine hundred thirty thousand, one hundred seventy-seven".