140126755 has 4 divisors (see below), whose sum is σ = 168152112. Its totient is φ = 112101400.

The previous prime is 140126743. The next prime is 140126797. The reversal of 140126755 is 557621041.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 140126755 - 2⁷ = 140126627 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14012671 + ... + 14012680.

It is an arithmetic number, because the mean of its divisors is an integer number (42038028).

Almost surely, 2^140126755 is an apocalyptic number.

140126755 is a deficient number, since it is larger than the sum of its proper divisors (28025357).

140126755 is an equidigital number, since it uses as much as digits as its factorization.

140126755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28025356.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 140126755 is about 11837.5147307195. The cubic root of 140126755 is about 519.4060711504.

Adding to 140126755 its reverse (557621041), we get a palindrome (697747796).

The spelling of 140126755 in words is "one hundred forty million, one hundred twenty-six thousand, seven hundred fifty-five".