39769138 has 4 divisors (see below), whose sum is σ = 59653710. Its totient is φ = 19884568.

The previous prime is 39769073. The next prime is 39769157. The reversal of 39769138 is 83196793.

39769138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39350529 + 418609 = 6273^2 + 647^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9942283 + ... + 9942286.

Almost surely, 2^39769138 is an apocalyptic number.

39769138 is a deficient number, since it is larger than the sum of its proper divisors (19884572).

39769138 is a wasteful number, since it uses less digits than its factorization.

39769138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19884571.

The product of its digits is 244944, while the sum is 46.

The square root of 39769138 is about 6306.2776659453. The cubic root of 39769138 is about 341.3359720238.

The spelling of 39769138 in words is "thirty-nine million, seven hundred sixty-nine thousand, one hundred thirty-eight".