140134323 has 16 divisors (see below), whose sum is σ = 213822720. Its totient is φ = 79970016.

The previous prime is 140134321. The next prime is 140134343. The reversal of 140134323 is 323431041.

140134323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140134323 - 2¹ = 140134321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 140134323.

It is not an unprimeable number, because it can be changed into a prime (140134321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13333 + ... + 21401.

It is an arithmetic number, because the mean of its divisors is an integer number (13363920).

Almost surely, 2^140134323 is an apocalyptic number.

140134323 is a deficient number, since it is larger than the sum of its proper divisors (73688397).

140134323 is an equidigital number, since it uses as much as digits as its factorization.

140134323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8906.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 140134323 is about 11837.8343880965. The cubic root of 140134323 is about 519.4154217187.

Adding to 140134323 its reverse (323431041), we get a palindrome (463565364).

It can be divided in two parts, 14013 and 4323, that added together give a triangular number (18336 = T₁₉₁).

The spelling of 140134323 in words is "one hundred forty million, one hundred thirty-four thousand, three hundred twenty-three".