35139859 has 2 divisors, whose sum is σ = 35139860. Its totient is φ = 35139858.

The previous prime is 35139823. The next prime is 35139913. The reversal of 35139859 is 95893153.

It is a weak prime.

It is an emirp because it is prime and its reverse (95893153) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 35139859 - 2⁹ = 35139347 is a prime.

It is not a weakly prime, because it can be changed into another prime (35139809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17569929 + 17569930.

It is an arithmetic number, because the mean of its divisors is an integer number (17569930).

Almost surely, 2^35139859 is an apocalyptic number.

35139859 is a deficient number, since it is larger than the sum of its proper divisors (1).

35139859 is an equidigital number, since it uses as much as digits as its factorization.

35139859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145800, while the sum is 43.

The square root of 35139859 is about 5927.8882411867. Note that the first 3 decimals coincide. The cubic root of 35139859 is about 327.5417548689.

The spelling of 35139859 in words is "thirty-five million, one hundred thirty-nine thousand, eight hundred fifty-nine".