140434318 has 4 divisors (see below), whose sum is σ = 210651480. Its totient is φ = 70217158.

The previous prime is 140434289. The next prime is 140434319. The reversal of 140434318 is 813434041.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140434319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35108578 + ... + 35108581.

It is an arithmetic number, because the mean of its divisors is an integer number (52662870).

Almost surely, 2^140434318 is an apocalyptic number.

140434318 is a deficient number, since it is larger than the sum of its proper divisors (70217162).

140434318 is an equidigital number, since it uses as much as digits as its factorization.

140434318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70217161.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 140434318 is about 11850.4986392978. The cubic root of 140434318 is about 519.7858067542.

Adding to 140434318 its reverse (813434041), we get a palindrome (953868359).

The spelling of 140434318 in words is "one hundred forty million, four hundred thirty-four thousand, three hundred eighteen".