1240765007045 has 8 divisors (see below), whose sum is σ = 1576501420824. Its totient is φ = 934223064064.

The previous prime is 1240765007033. The next prime is 1240765007051. The reversal of 1240765007045 is 5407005670421.

It can be written as a sum of positive squares in 4 ways, for example, as 105598351681 + 1135166655364 = 324959^2 + 1065442^2 .

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 1240765007045 - 2¹⁰ = 1240765006021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1240765006993 and 1240765007011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7298617604 + ... + 7298617773.

It is an arithmetic number, because the mean of its divisors is an integer number (197062677603).

Almost surely, 2^{1240765007045} is an apocalyptic number.

It is an amenable number.

1240765007045 is a deficient number, since it is larger than the sum of its proper divisors (335736413779).

1240765007045 is a wasteful number, since it uses less digits than its factorization.

1240765007045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14597235399.

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 1240765007045 in words is "one trillion, two hundred forty billion, seven hundred sixty-five million, seven thousand, forty-five".