140022434 has 4 divisors (see below), whose sum is σ = 210033654. Its totient is φ = 70011216.

The previous prime is 140022431. The next prime is 140022439. The reversal of 140022434 is 434220041.

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., 111239209 + 28783225 = 10547^2 + 5365^2 .

It is not an unprimeable number, because it can be changed into a prime (140022431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35005607 + ... + 35005610.

Almost surely, 2^140022434 is an apocalyptic number.

140022434 is a deficient number, since it is larger than the sum of its proper divisors (70011220).

140022434 is an equidigital number, since it uses as much as digits as its factorization.

140022434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70011219.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 140022434 is about 11833.1075377519. The cubic root of 140022434 is about 519.2771440401.

Adding to 140022434 its reverse (434220041), we get a palindrome (574242475).

The spelling of 140022434 in words is "one hundred forty million, twenty-two thousand, four hundred thirty-four".