140134430 has 8 divisors (see below), whose sum is σ = 252241992. Its totient is φ = 56053768.

The previous prime is 140134427. The next prime is 140134439. The reversal of 140134430 is 34431041.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140134439) by changing a digit.

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, 7006712 + ... + 7006731.

It is an arithmetic number, because the mean of its divisors is an integer number (31530249).

Almost surely, 2^140134430 is an apocalyptic number.

140134430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140134430 is a deficient number, since it is larger than the sum of its proper divisors (112107562).

140134430 is a wasteful number, since it uses less digits than its factorization.

140134430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14013450.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 140134430 is about 11837.8389075033. The cubic root of 140134430 is about 519.4155539191.

Adding to 140134430 its reverse (34431041), we get a palindrome (174565471).

The spelling of 140134430 in words is "one hundred forty million, one hundred thirty-four thousand, four hundred thirty".