140001011242 has 16 divisors (see below), whose sum is σ = 214155542952. Its totient is φ = 68618197440.

The previous prime is 140001011231. The next prime is 140001011299. The reversal of 140001011242 is 242110100041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 133158578281 + 6842432961 = 364909^2 + 82719^2 .

It is a super-2 number, since 2×140001011242² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472809 + ... + 709612.

Almost surely, 2^140001011242 is an apocalyptic number.

140001011242 is a deficient number, since it is larger than the sum of its proper divisors (74154531710).

140001011242 is a wasteful number, since it uses less digits than its factorization.

140001011242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183593.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 140001011242 its reverse (242110100041), we get a palindrome (382111111283).

The spelling of 140001011242 in words is "one hundred forty billion, one million, eleven thousand, two hundred forty-two".