140135126 has 4 divisors (see below), whose sum is σ = 210202692. Its totient is φ = 70067562.

The previous prime is 140135119. The next prime is 140135141. The reversal of 140135126 is 621531041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 621531041 = 8231 ⋅75511.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 35033780 + ... + 35033783.

It is an arithmetic number, because the mean of its divisors is an integer number (52550673).

Almost surely, 2^140135126 is an apocalyptic number.

140135126 is a deficient number, since it is larger than the sum of its proper divisors (70067566).

140135126 is an equidigital number, since it uses as much as digits as its factorization.

140135126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70067565.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 140135126 is about 11837.8683047245. The cubic root of 140135126 is about 519.4164138377.

Adding to 140135126 its reverse (621531041), we get a palindrome (761666167).

The spelling of 140135126 in words is "one hundred forty million, one hundred thirty-five thousand, one hundred twenty-six".