134263266261365 has 8 divisors (see below), whose sum is σ = 170593326543960. Its totient is φ = 101092341655552.

The previous prime is 134263266261349. The next prime is 134263266261391. The reversal of 134263266261365 is 563162662362431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4211844989284 + 130051421272081 = 2052278^2 + 11404009^2 .

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 134263266261365 - 2⁴ = 134263266261349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134263266261365.

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, 789783919100 + ... + 789783919269.

It is an arithmetic number, because the mean of its divisors is an integer number (21324165817995).

Almost surely, 2^{134263266261365} is an apocalyptic number.

It is an amenable number.

134263266261365 is a deficient number, since it is larger than the sum of its proper divisors (36330060282595).

134263266261365 is a wasteful number, since it uses less digits than its factorization.

134263266261365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579567838391.

The product of its digits is 33592320, while the sum is 56.

The spelling of 134263266261365 in words is "one hundred thirty-four trillion, two hundred sixty-three billion, two hundred sixty-six million, two hundred sixty-one thousand, three hundred sixty-five".