35138239 has 4 divisors (see below), whose sum is σ = 36987640. Its totient is φ = 33288840.

The previous prime is 35138231. The next prime is 35138251. The reversal of 35138239 is 93283153.

35138239 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 is a cyclic number.

It is not a de Polignac number, because 35138239 - 2³ = 35138231 is a prime.

It is a super-2 number, since 2×35138239² = 2469391680042242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35138231) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 924672 + ... + 924709.

It is an arithmetic number, because the mean of its divisors is an integer number (9246910).

Almost surely, 2^35138239 is an apocalyptic number.

35138239 is a deficient number, since it is larger than the sum of its proper divisors (1849401).

35138239 is a wasteful number, since it uses less digits than its factorization.

35138239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849400.

The product of its digits is 19440, while the sum is 34.

The square root of 35138239 is about 5927.7515973597. The cubic root of 35138239 is about 327.5367214035.

The spelling of 35138239 in words is "thirty-five million, one hundred thirty-eight thousand, two hundred thirty-nine".