140434434 has 48 divisors (see below), whose sum is σ = 366050880. Its totient is φ = 38011680.

The previous prime is 140434421. The next prime is 140434439. The reversal of 140434434 is 434434041.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140434398 and 140434407.

It is not an unprimeable number, because it can be changed into a prime (140434439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26937 + ... + 31724.

It is an arithmetic number, because the mean of its divisors is an integer number (7626060).

Almost surely, 2^140434434 is an apocalyptic number.

140434434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

140434434 is an abundant number, since it is smaller than the sum of its proper divisors (225616446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140434434 is a wasteful number, since it uses less digits than its factorization.

140434434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58695 (or 58692 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 140434434 is about 11850.5035336057. The cubic root of 140434434 is about 519.7859498700.

Adding to 140434434 its reverse (434434041), we get a palindrome (574868475).

The spelling of 140434434 in words is "one hundred forty million, four hundred thirty-four thousand, four hundred thirty-four".