146586134561 has 4 divisors (see below), whose sum is σ = 146725608624. Its totient is φ = 146446660500.

The previous prime is 146586134551. The next prime is 146586134599. The reversal of 146586134561 is 165431685641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 165431685641 = 409 ⋅404478449.

It is a cyclic number.

It is not a de Polignac number, because 146586134561 - 2¹⁰ = 146586133537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146586134501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69735455 + ... + 69737556.

It is an arithmetic number, because the mean of its divisors is an integer number (36681402156).

Almost surely, 2^146586134561 is an apocalyptic number.

It is an amenable number.

146586134561 is a deficient number, since it is larger than the sum of its proper divisors (139474063).

146586134561 is a wasteful number, since it uses less digits than its factorization.

146586134561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139474062.

The product of its digits is 2073600, while the sum is 50.

The spelling of 146586134561 in words is "one hundred forty-six billion, five hundred eighty-six million, one hundred thirty-four thousand, five hundred sixty-one".