1540104323135 has 32 divisors (see below), whose sum is σ = 2171232801792. Its totient is φ = 1026934191360.

The previous prime is 1540104323119. The next prime is 1540104323137. The reversal of 1540104323135 is 5313234010451.

It is not a de Polignac number, because 1540104323135 - 2⁴ = 1540104323119 is a prime.

It is a super-2 number, since 2×1540104323135² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540104323137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4063529 + ... + 4426338.

It is an arithmetic number, because the mean of its divisors is an integer number (67851025056).

Almost surely, 2^{1540104323135} is an apocalyptic number.

1540104323135 is a deficient number, since it is larger than the sum of its proper divisors (631128478657).

1540104323135 is an equidigital number, since it uses as much as digits as its factorization.

1540104323135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8490023.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 1540104323135 its reverse (5313234010451), we get a palindrome (6853338333586).

The spelling of 1540104323135 in words is "one trillion, five hundred forty billion, one hundred four million, three hundred twenty-three thousand, one hundred thirty-five".