1540014252223 has 8 divisors (see below), whose sum is σ = 1626332496768. Its totient is φ = 1455309432984.

The previous prime is 1540014252221. The next prime is 1540014252277. The reversal of 1540014252223 is 3222524100451.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1540014252223 - 2¹ = 1540014252221 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 (1540014252221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403354365 + ... + 403358182.

It is an arithmetic number, because the mean of its divisors is an integer number (203291562096).

Almost surely, 2^{1540014252223} is an apocalyptic number.

1540014252223 is a deficient number, since it is larger than the sum of its proper divisors (86318244545).

1540014252223 is an equidigital number, since it uses as much as digits as its factorization.

1540014252223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806712653.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 1540014252223 its reverse (3222524100451), we get a palindrome (4762538352674).

The spelling of 1540014252223 in words is "one trillion, five hundred forty billion, fourteen million, two hundred fifty-two thousand, two hundred twenty-three".