140434310 has 16 divisors (see below), whose sum is σ = 253108800. Its totient is φ = 56101056.

The previous prime is 140434289. The next prime is 140434319. The reversal of 140434310 is 13434041.

It is a happy number.

It is a super-2 number, since 2×140434310² = 39443590850352200, which contains 22 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 590 + ... + 16769.

It is an arithmetic number, because the mean of its divisors is an integer number (15819300).

Almost surely, 2^140434310 is an apocalyptic number.

140434310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140434310 is a deficient number, since it is larger than the sum of its proper divisors (112674490).

140434310 is a wasteful number, since it uses less digits than its factorization.

140434310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18175.

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

The square root of 140434310 is about 11850.4983017593. The cubic root of 140434310 is about 519.7857968841.

Adding to 140434310 its reverse (13434041), we get a palindrome (153868351).

The spelling of 140434310 in words is "one hundred forty million, four hundred thirty-four thousand, three hundred ten".