140756243 has 8 divisors (see below), whose sum is σ = 152502768. Its totient is φ = 129394944.

The previous prime is 140756221. The next prime is 140756249. The reversal of 140756243 is 342657041.

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

It is a cyclic number.

It is not a de Polignac number, because 140756243 - 2⁶ = 140756179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140756249) 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, 95546 + ... + 97007.

It is an arithmetic number, because the mean of its divisors is an integer number (19062846).

Almost surely, 2^140756243 is an apocalyptic number.

140756243 is a deficient number, since it is larger than the sum of its proper divisors (11746525).

140756243 is a wasteful number, since it uses less digits than its factorization.

140756243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192613.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 140756243 is about 11864.0736258673. The cubic root of 140756243 is about 520.1826811304.

The spelling of 140756243 in words is "one hundred forty million, seven hundred fifty-six thousand, two hundred forty-three".