137543240265 has 16 divisors (see below), whose sum is σ = 220565965248. Its totient is φ = 73190801216.

The previous prime is 137543240251. The next prime is 137543240293. The reversal of 137543240265 is 562042345731.

It is a cyclic number.

It is not a de Polignac number, because 137543240265 - 2¹⁰ = 137543239241 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10342734 + ... + 10356023.

It is an arithmetic number, because the mean of its divisors is an integer number (13785372828).

Almost surely, 2^137543240265 is an apocalyptic number.

137543240265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137543240265 is a deficient number, since it is larger than the sum of its proper divisors (83022724983).

137543240265 is a wasteful number, since it uses less digits than its factorization.

137543240265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20699208.

The product of its (nonzero) digits is 604800, while the sum is 42.

Adding to 137543240265 its reverse (562042345731), we get a palindrome (699585585996).

The spelling of 137543240265 in words is "one hundred thirty-seven billion, five hundred forty-three million, two hundred forty thousand, two hundred sixty-five".