349986135 has 16 divisors (see below), whose sum is σ = 560985984. Its totient is φ = 186323232.

The previous prime is 349986121. The next prime is 349986149. The reversal of 349986135 is 531689943.

It is an interprime number because it is at equal distance from previous prime (349986121) and next prime (349986149).

It is not a de Polignac number, because 349986135 - 2¹⁴ = 349969751 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12277 + ... + 29166.

It is an arithmetic number, because the mean of its divisors is an integer number (35061624).

Almost surely, 2^349986135 is an apocalyptic number.

349986135 is a deficient number, since it is larger than the sum of its proper divisors (210999849).

349986135 is a wasteful number, since it uses less digits than its factorization.

349986135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42014.

The product of its digits is 699840, while the sum is 48.

The square root of 349986135 is about 18707.9163724879. The cubic root of 349986135 is about 704.7205672934.

The spelling of 349986135 in words is "three hundred forty-nine million, nine hundred eighty-six thousand, one hundred thirty-five".