1240348138735 has 16 divisors (see below), whose sum is σ = 1556590737600. Its totient is φ = 947022039040.

The previous prime is 1240348138727. The next prime is 1240348138831. The reversal of 1240348138735 is 5378318430421.

It is not a de Polignac number, because 1240348138735 - 2³ = 1240348138727 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11959096 + ... + 12062365.

It is an arithmetic number, because the mean of its divisors is an integer number (97286921100).

Almost surely, 2^{1240348138735} is an apocalyptic number.

1240348138735 is a deficient number, since it is larger than the sum of its proper divisors (316242598865).

1240348138735 is a wasteful number, since it uses less digits than its factorization.

1240348138735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24021938.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 1240348138735 in words is "one trillion, two hundred forty billion, three hundred forty-eight million, one hundred thirty-eight thousand, seven hundred thirty-five".