140742221734 has 8 divisors (see below), whose sum is σ = 211267772208. Its totient is φ = 70319631000.

The previous prime is 140742221699. The next prime is 140742221743. The reversal of 140742221734 is 437122247041.

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 = 140742221693 and 140742221702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25736517 + ... + 25741984.

It is an arithmetic number, because the mean of its divisors is an integer number (26408471526).

Almost surely, 2^140742221734 is an apocalyptic number.

140742221734 is a deficient number, since it is larger than the sum of its proper divisors (70525550474).

140742221734 is a wasteful number, since it uses less digits than its factorization.

140742221734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51479870.

The product of its (nonzero) digits is 75264, while the sum is 37.

Adding to 140742221734 its reverse (437122247041), we get a palindrome (577864468775).

The spelling of 140742221734 in words is "one hundred forty billion, seven hundred forty-two million, two hundred twenty-one thousand, seven hundred thirty-four".