1310240042135 has 16 divisors (see below), whose sum is σ = 1700196345216. Its totient is φ = 965543597568.

The previous prime is 1310240042129. The next prime is 1310240042143. The reversal of 1310240042135 is 5312400420131.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1310240042135 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 163980992 + ... + 163988981.

It is an arithmetic number, because the mean of its divisors is an integer number (106262271576).

Almost surely, 2^{1310240042135} is an apocalyptic number.

1310240042135 is a deficient number, since it is larger than the sum of its proper divisors (389956303081).

1310240042135 is a wasteful number, since it uses less digits than its factorization.

1310240042135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327970042.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1310240042135 its reverse (5312400420131), we get a palindrome (6622640462266).

The spelling of 1310240042135 in words is "one trillion, three hundred ten billion, two hundred forty million, forty-two thousand, one hundred thirty-five".