140434142330 has 16 divisors (see below), whose sum is σ = 252960886440. Its totient is φ = 56133783552.

The previous prime is 140434142323. The next prime is 140434142339. The reversal of 140434142330 is 33241434041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 61022338729 + 79411803601 = 247027^2 + 281801^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140434142293 and 140434142302.

It is not an unprimeable number, because it can be changed into a prime (140434142339) 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, 4969379 + ... + 4997558.

Almost surely, 2^140434142330 is an apocalyptic number.

140434142330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140434142330 is a deficient number, since it is larger than the sum of its proper divisors (112526744110).

140434142330 is a wasteful number, since it uses less digits than its factorization.

140434142330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9968353.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 140434142330 its reverse (33241434041), we get a palindrome (173675576371).

The spelling of 140434142330 in words is "one hundred forty billion, four hundred thirty-four million, one hundred forty-two thousand, three hundred thirty".