39135434 has 8 divisors (see below), whose sum is σ = 63218820. Its totient is φ = 18062496.

The previous prime is 39135433. The next prime is 39135449. The reversal of 39135434 is 43453193.

It can be written as a sum of positive squares in 2 ways, for example, as 30415225 + 8720209 = 5515^2 + 2953^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 39135434.

It is not an unprimeable number, because it can be changed into a prime (39135433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752579 + ... + 752630.

Almost surely, 2^39135434 is an apocalyptic number.

39135434 is a deficient number, since it is larger than the sum of its proper divisors (24083386).

39135434 is a wasteful number, since it uses less digits than its factorization.

39135434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505224.

The product of its digits is 19440, while the sum is 32.

The square root of 39135434 is about 6255.8319990230. The cubic root of 39135434 is about 339.5132423404.

The spelling of 39135434 in words is "thirty-nine million, one hundred thirty-five thousand, four hundred thirty-four".