39195138 has 16 divisors (see below), whose sum is σ = 82516320. Its totient is φ = 12377376.

The previous prime is 39195127. The next prime is 39195179. The reversal of 39195138 is 83159193.

It is a junction number, because it is equal to n+sod(n) for n = 39195096 and 39195105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171795 + ... + 172022.

It is an arithmetic number, because the mean of its divisors is an integer number (5157270).

Almost surely, 2^39195138 is an apocalyptic number.

39195138 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

39195138 is an abundant number, since it is smaller than the sum of its proper divisors (43321182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39195138 is a wasteful number, since it uses less digits than its factorization.

39195138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343841.

The product of its digits is 29160, while the sum is 39.

The square root of 39195138 is about 6260.6020477267. The cubic root of 39195138 is about 339.6858054742.

The spelling of 39195138 in words is "thirty-nine million, one hundred ninety-five thousand, one hundred thirty-eight".