140411245021 has 4 divisors (see below), whose sum is σ = 140412355452. Its totient is φ = 140410134592.

The previous prime is 140411245019. The next prime is 140411245069. The reversal of 140411245021 is 120542114041.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 120542114041 = 83 ⋅1452314627.

It can be written as a sum of positive squares in 2 ways, for example, as 97415148996 + 42996096025 = 312114^2 + 207355^2 .

It is a cyclic number.

It is not a de Polignac number, because 140411245021 - 2¹ = 140411245019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140411345021) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 336940 + ... + 627973.

It is an arithmetic number, because the mean of its divisors is an integer number (35103088863).

Almost surely, 2^140411245021 is an apocalyptic number.

It is an amenable number.

140411245021 is a deficient number, since it is larger than the sum of its proper divisors (1110431).

140411245021 is an equidigital number, since it uses as much as digits as its factorization.

140411245021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110430.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 140411245021 its reverse (120542114041), we get a palindrome (260953359062).

The spelling of 140411245021 in words is "one hundred forty billion, four hundred eleven million, two hundred forty-five thousand, twenty-one".