140124434 has 8 divisors (see below), whose sum is σ = 211842048. Its totient is φ = 69510420.

The previous prime is 140124431. The next prime is 140124451. The reversal of 140124434 is 434421041.

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 not an unprimeable number, because it can be changed into a prime (140124431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275582 + ... + 276089.

It is an arithmetic number, because the mean of its divisors is an integer number (26480256).

Almost surely, 2^140124434 is an apocalyptic number.

140124434 is a deficient number, since it is larger than the sum of its proper divisors (71717614).

140124434 is a wasteful number, since it uses less digits than its factorization.

140124434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551800.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 140124434 is about 11837.4166945326. The cubic root of 140124434 is about 519.4032033941.

Adding to 140124434 its reverse (434421041), we get a palindrome (574545475).

The spelling of 140124434 in words is "one hundred forty million, one hundred twenty-four thousand, four hundred thirty-four".