140310434 has 8 divisors (see below), whose sum is σ = 229598928. Its totient is φ = 63777460.

The previous prime is 140310427. The next prime is 140310473. The reversal of 140310434 is 434013041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3188852 + ... + 3188895.

It is an arithmetic number, because the mean of its divisors is an integer number (28699866).

Almost surely, 2^140310434 is an apocalyptic number.

140310434 is a deficient number, since it is larger than the sum of its proper divisors (89288494).

140310434 is a wasteful number, since it uses less digits than its factorization.

140310434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6377760.

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

The square root of 140310434 is about 11845.2705330018. The cubic root of 140310434 is about 519.6329189371.

Adding to 140310434 its reverse (434013041), we get a palindrome (574323475).

The spelling of 140310434 in words is "one hundred forty million, three hundred ten thousand, four hundred thirty-four".