39135155 has 16 divisors (see below), whose sum is σ = 49593600. Its totient is φ = 29564640.

The previous prime is 39135133. The next prime is 39135157. The reversal of 39135155 is 55153193.

It is a happy number.

It is not a de Polignac number, because 39135155 - 2⁸ = 39134899 is a prime.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (39135157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46226 + ... + 47064.

It is an arithmetic number, because the mean of its divisors is an integer number (3099600).

Almost surely, 2^39135155 is an apocalyptic number.

39135155 is a deficient number, since it is larger than the sum of its proper divisors (10458445).

39135155 is a wasteful number, since it uses less digits than its factorization.

39135155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354.

The product of its digits is 10125, while the sum is 32.

The square root of 39135155 is about 6255.8096997911. The cubic root of 39135155 is about 339.5124355317.

The spelling of 39135155 in words is "thirty-nine million, one hundred thirty-five thousand, one hundred fifty-five".