140140321234 has 16 divisors (see below), whose sum is σ = 215171938080. Its totient is φ = 68417445600.

The previous prime is 140140321187. The next prime is 140140321249. The reversal of 140140321234 is 432123041041.

It is a super-2 number, since 2×140140321234² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140140321199 and 140140321208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19092 + ... + 529759.

It is an arithmetic number, because the mean of its divisors is an integer number (13448246130).

Almost surely, 2^140140321234 is an apocalyptic number.

140140321234 is a deficient number, since it is larger than the sum of its proper divisors (75031616846).

140140321234 is a wasteful number, since it uses less digits than its factorization.

140140321234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551865.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 140140321234 its reverse (432123041041), we get a palindrome (572263362275).

The spelling of 140140321234 in words is "one hundred forty billion, one hundred forty million, three hundred twenty-one thousand, two hundred thirty-four".