135970806 has 8 divisors (see below), whose sum is σ = 271941624. Its totient is φ = 45323600.

The previous prime is 135970789. The next prime is 135970829. The reversal of 135970806 is 608079531.

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

135970806 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 11330895 + ... + 11330906.

It is an arithmetic number, because the mean of its divisors is an integer number (33992703).

Almost surely, 2^135970806 is an apocalyptic number.

135970806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135970806 is a wasteful number, since it uses less digits than its factorization.

135970806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22661806.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 135970806 is about 11660.6520400876. The cubic root of 135970806 is about 514.2195184421.

The spelling of 135970806 in words is "one hundred thirty-five million, nine hundred seventy thousand, eight hundred six".