140242605123 has 8 divisors (see below), whose sum is σ = 192043927888. Its totient is φ = 90968176224.

The previous prime is 140242605109. The next prime is 140242605127. The reversal of 140242605123 is 321506242041.

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

It is not a de Polignac number, because 140242605123 - 2⁶ = 140242605059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140242605127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631723336 + ... + 631723557.

It is an arithmetic number, because the mean of its divisors is an integer number (24005490986).

Almost surely, 2^140242605123 is an apocalyptic number.

140242605123 is a deficient number, since it is larger than the sum of its proper divisors (51801322765).

140242605123 is a wasteful number, since it uses less digits than its factorization.

140242605123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263446933.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 140242605123 its reverse (321506242041), we get a palindrome (461748847164).

The spelling of 140242605123 in words is "one hundred forty billion, two hundred forty-two million, six hundred five thousand, one hundred twenty-three".