140134838 has 8 divisors (see below), whose sum is σ = 210425688. Its totient is φ = 69992944.

The previous prime is 140134829. The next prime is 140134847. The reversal of 140134838 is 838431041.

It is an interprime number because it is at equal distance from previous prime (140134829) and next prime (140134847).

It is a sphenic number, since it is the product of 3 distinct 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 in 3 ways as a sum of consecutive naturals, for example, 34856 + ... + 38667.

It is an arithmetic number, because the mean of its divisors is an integer number (26303211).

Almost surely, 2^140134838 is an apocalyptic number.

140134838 is a deficient number, since it is larger than the sum of its proper divisors (70290850).

140134838 is an equidigital number, since it uses as much as digits as its factorization.

140134838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74478.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 140134838 is about 11837.8561403660. The cubic root of 140134838 is about 519.4160580097.

Adding to 140134838 its reverse (838431041), we get a palindrome (978565879).

The spelling of 140134838 in words is "one hundred forty million, one hundred thirty-four thousand, eight hundred thirty-eight".