140023234 has 16 divisors (see below), whose sum is σ = 229057920. Its totient is φ = 63807120.

The previous prime is 140023211. The next prime is 140023267. The reversal of 140023234 is 432320041.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32032 + ... + 36139.

It is an arithmetic number, because the mean of its divisors is an integer number (14316120).

Almost surely, 2^140023234 is an apocalyptic number.

140023234 is a deficient number, since it is larger than the sum of its proper divisors (89034686).

140023234 is a wasteful number, since it uses less digits than its factorization.

140023234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68265.

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

The square root of 140023234 is about 11833.1413411655. The cubic root of 140023234 is about 519.2781329791.

Adding to 140023234 its reverse (432320041), we get a palindrome (572343275).

The spelling of 140023234 in words is "one hundred forty million, twenty-three thousand, two hundred thirty-four".