140350240105 has 4 divisors (see below), whose sum is σ = 168420288132. Its totient is φ = 112280192080.

The previous prime is 140350240057. The next prime is 140350240133. The reversal of 140350240105 is 501042053041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501042053041 = 6871 ⋅72921271.

It can be written as a sum of positive squares in 2 ways, for example, as 75115461184 + 65234778921 = 274072^2 + 255411^2 .

It is not a de Polignac number, because 140350240105 - 2⁷ = 140350239977 is a prime.

It is a super-2 number, since 2×140350240105² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140350240105.

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, 14035024006 + ... + 14035024015.

It is an arithmetic number, because the mean of its divisors is an integer number (42105072033).

Almost surely, 2^140350240105 is an apocalyptic number.

It is an amenable number.

140350240105 is a deficient number, since it is larger than the sum of its proper divisors (28070048027).

140350240105 is an equidigital number, since it uses as much as digits as its factorization.

140350240105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28070048026.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 140350240105 its reverse (501042053041), we get a palindrome (641392293146).

The spelling of 140350240105 in words is "one hundred forty billion, three hundred fifty million, two hundred forty thousand, one hundred five".