140524234 has 8 divisors (see below), whose sum is σ = 210914820. Its totient is φ = 70219296.

The previous prime is 140524207. The next prime is 140524249. The reversal of 140524234 is 432425041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 140493609 + 30625 = 11853^2 + 175^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 140524199 and 140524208.

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 3 ways as a sum of consecutive naturals, for example, 17139 + ... + 23974.

Almost surely, 2^140524234 is an apocalyptic number.

140524234 is a deficient number, since it is larger than the sum of its proper divisors (70390586).

140524234 is a wasteful number, since it uses less digits than its factorization.

140524234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42824.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 140524234 is about 11854.2917966448. The cubic root of 140524234 is about 519.8967176531.

Adding to 140524234 its reverse (432425041), we get a palindrome (572949275).

The spelling of 140524234 in words is "one hundred forty million, five hundred twenty-four thousand, two hundred thirty-four".