140293206 has 24 divisors (see below), whose sum is σ = 306192744. Its totient is φ = 46422240.

The previous prime is 140293201. The next prime is 140293211. The reversal of 140293206 is 602392041.

It is an interprime number because it is at equal distance from previous prime (140293201) and next prime (140293211).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 140293206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140293201) 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 11 ways as a sum of consecutive naturals, for example, 25980 + ... + 30911.

It is an arithmetic number, because the mean of its divisors is an integer number (12758031).

Almost surely, 2^140293206 is an apocalyptic number.

140293206 is an abundant number, since it is smaller than the sum of its proper divisors (165899538).

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

140293206 is a wasteful number, since it uses less digits than its factorization.

140293206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57036 (or 57033 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 140293206 is about 11844.5433006089. The cubic root of 140293206 is about 519.6116503778.

The spelling of 140293206 in words is "one hundred forty million, two hundred ninety-three thousand, two hundred six".