140606312 has 32 divisors (see below), whose sum is σ = 328691520. Its totient is φ = 54781440.

The previous prime is 140606311. The next prime is 140606321. The reversal of 140606312 is 213606041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (140606311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113513 + ... + 114744.

It is an arithmetic number, because the mean of its divisors is an integer number (10271610).

Almost surely, 2^140606312 is an apocalyptic number.

It is an amenable number.

140606312 is an abundant number, since it is smaller than the sum of its proper divisors (188085208).

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

140606312 is a wasteful number, since it uses less digits than its factorization.

140606312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228281 (or 228277 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 140606312 is about 11857.7532441858. The cubic root of 140606312 is about 519.9979191238.

The spelling of 140606312 in words is "one hundred forty million, six hundred six thousand, three hundred twelve".