140252743 has 2 divisors, whose sum is σ = 140252744. Its totient is φ = 140252742.

The previous prime is 140252701. The next prime is 140252753. The reversal of 140252743 is 347252041.

It is a strong prime.

It is an emirp because it is prime and its reverse (347252041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140252743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140252753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70126371 + 70126372.

It is an arithmetic number, because the mean of its divisors is an integer number (70126372).

Almost surely, 2^140252743 is an apocalyptic number.

140252743 is a deficient number, since it is larger than the sum of its proper divisors (1).

140252743 is an equidigital number, since it uses as much as digits as its factorization.

140252743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 140252743 is about 11842.8350913115. The cubic root of 140252743 is about 519.5616905628.

It can be divided in two parts, 1402 and 52743, that added together give a palindrome (54145).

The spelling of 140252743 in words is "one hundred forty million, two hundred fifty-two thousand, seven hundred forty-three".