1540104303013 has 4 divisors (see below), whose sum is σ = 1554497801280. Its totient is φ = 1525710804748.

The previous prime is 1540104302993. The next prime is 1540104303037. The reversal of 1540104303013 is 3103034010451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1540104303013 - 2²¹ = 1540102205861 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 (1540104307013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7196748973 + ... + 7196749186.

It is an arithmetic number, because the mean of its divisors is an integer number (388624450320).

Almost surely, 2^{1540104303013} is an apocalyptic number.

It is an amenable number.

1540104303013 is a deficient number, since it is larger than the sum of its proper divisors (14393498267).

1540104303013 is a wasteful number, since it uses less digits than its factorization.

1540104303013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14393498266.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 1540104303013 its reverse (3103034010451), we get a palindrome (4643138313464).

The spelling of 1540104303013 in words is "one trillion, five hundred forty billion, one hundred four million, three hundred three thousand, thirteen".