135331906 has 8 divisors (see below), whose sum is σ = 204969024. Its totient is φ = 67008900.

The previous prime is 135331897. The next prime is 135331907. The reversal of 135331906 is 609133531.

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

It is not an unprimeable number, because it can be changed into a prime (135331907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328270 + ... + 328681.

It is an arithmetic number, because the mean of its divisors is an integer number (25621128).

Almost surely, 2^135331906 is an apocalyptic number.

135331906 is a deficient number, since it is larger than the sum of its proper divisors (69637118).

135331906 is a wasteful number, since it uses less digits than its factorization.

135331906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657056.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 135331906 is about 11633.2242306250. The cubic root of 135331906 is about 513.4128482924.

The spelling of 135331906 in words is "one hundred thirty-five million, three hundred thirty-one thousand, nine hundred six".