140240134 has 4 divisors (see below), whose sum is σ = 210360204. Its totient is φ = 70120066.

The previous prime is 140240129. The next prime is 140240161. The reversal of 140240134 is 431042041.

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

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, 35060032 + ... + 35060035.

It is an arithmetic number, because the mean of its divisors is an integer number (52590051).

Almost surely, 2^140240134 is an apocalyptic number.

140240134 is a deficient number, since it is larger than the sum of its proper divisors (70120070).

140240134 is an equidigital number, since it uses as much as digits as its factorization.

140240134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70120069.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 140240134 is about 11842.3027321548. The cubic root of 140240134 is about 519.5461202204.

Adding to 140240134 its reverse (431042041), we get a palindrome (571282175).

The spelling of 140240134 in words is "one hundred forty million, two hundred forty thousand, one hundred thirty-four".