140042121244 has 6 divisors (see below), whose sum is σ = 245073712184. Its totient is φ = 70021060620.

The previous prime is 140042121209. The next prime is 140042121257. The reversal of 140042121244 is 442121240041.

It is a happy number.

It is a super-2 number, since 2×140042121244² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17505265152 + ... + 17505265159.

Almost surely, 2^140042121244 is an apocalyptic number.

It is an amenable number.

140042121244 is a deficient number, since it is larger than the sum of its proper divisors (105031590940).

140042121244 is a wasteful number, since it uses less digits than its factorization.

140042121244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35010530315 (or 35010530313 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 140042121244 its reverse (442121240041), we get a palindrome (582163361285).

The spelling of 140042121244 in words is "one hundred forty billion, forty-two million, one hundred twenty-one thousand, two hundred forty-four".