140665134 has 8 divisors (see below), whose sum is σ = 281330280. Its totient is φ = 46888376.

The previous prime is 140665111. The next prime is 140665153. The reversal of 140665134 is 431566041.

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

140665134 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11722089 + ... + 11722100.

It is an arithmetic number, because the mean of its divisors is an integer number (35166285).

Almost surely, 2^140665134 is an apocalyptic number.

140665134 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.

140665134 is a wasteful number, since it uses less digits than its factorization.

140665134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23444194.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 140665134 is about 11860.2333029330. The cubic root of 140665134 is about 520.0704219221.

The spelling of 140665134 in words is "one hundred forty million, six hundred sixty-five thousand, one hundred thirty-four".