140352006 has 16 divisors (see below), whose sum is σ = 281070144. Its totient is φ = 46722984.

The previous prime is 140352001. The next prime is 140352073. The reversal of 140352006 is 600253041.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140352001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10140 + ... + 19583.

It is an arithmetic number, because the mean of its divisors is an integer number (17566884).

Almost surely, 2^140352006 is an apocalyptic number.

140352006 is an abundant number, since it is smaller than the sum of its proper divisors (140718138).

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

140352006 is a wasteful number, since it uses less digits than its factorization.

140352006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30515.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 140352006 is about 11847.0251962254. The cubic root of 140352006 is about 519.6842338345.

The spelling of 140352006 in words is "one hundred forty million, three hundred fifty-two thousand, six".