140434234 has 4 divisors (see below), whose sum is σ = 210651354. Its totient is φ = 70217116.

The previous prime is 140434223. The next prime is 140434267. The reversal of 140434234 is 432434041.

140434234 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 432434041 = 13 ⋅33264157.

It can be written as a sum of positive squares in only one way, i.e., 130530625 + 9903609 = 11425^2 + 3147^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140434199 and 140434208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35108557 + ... + 35108560.

Almost surely, 2^140434234 is an apocalyptic number.

140434234 is a deficient number, since it is larger than the sum of its proper divisors (70217120).

140434234 is an equidigital number, since it uses as much as digits as its factorization.

140434234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70217119.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 140434234 is about 11850.4950951426. The cubic root of 140434234 is about 519.7857031185.

Adding to 140434234 its reverse (432434041), we get a palindrome (572868275).

The spelling of 140434234 in words is "one hundred forty million, four hundred thirty-four thousand, two hundred thirty-four".