1065136460465 has 72 divisors (see below), whose sum is σ = 1635614517096. Its totient is φ = 663446784000.

The previous prime is 1065136460461. The next prime is 1065136460477. The reversal of 1065136460465 is 5640646315601.

It can be written as a sum of positive squares in 4 ways, for example, as 186132707761 + 879003752704 = 431431^2 + 937552^2 .

It is not a de Polignac number, because 1065136460465 - 2² = 1065136460461 is a prime.

It is a super-2 number, since 2×1065136460465² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1065136460461) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 38554337 + ... + 38581953.

It is an arithmetic number, because the mean of its divisors is an integer number (22716868293).

Almost surely, 2^{1065136460465} is an apocalyptic number.

It is an amenable number.

1065136460465 is a deficient number, since it is larger than the sum of its proper divisors (570478056631).

1065136460465 is a wasteful number, since it uses less digits than its factorization.

1065136460465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28959 (or 28941 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 1065136460465 in words is "one trillion, sixty-five billion, one hundred thirty-six million, four hundred sixty thousand, four hundred sixty-five".