140030434 has 4 divisors (see below), whose sum is σ = 210045654. Its totient is φ = 70015216.

The previous prime is 140030413. The next prime is 140030467. The reversal of 140030434 is 434030041.

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

It can be written as a sum of positive squares in only one way, i.e., 139830625 + 199809 = 11825^2 + 447^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35007607 + ... + 35007610.

Almost surely, 2^140030434 is an apocalyptic number.

140030434 is a deficient number, since it is larger than the sum of its proper divisors (70015220).

140030434 is an equidigital number, since it uses as much as digits as its factorization.

140030434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70015219.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 140030434 is about 11833.4455675429. The cubic root of 140030434 is about 519.2870332603.

Adding to 140030434 its reverse (434030041), we get a palindrome (574060475).

The spelling of 140030434 in words is "one hundred forty million, thirty thousand, four hundred thirty-four".