146173459939 has 4 divisors (see below), whose sum is σ = 157417572256. Its totient is φ = 134929347624.

The previous prime is 146173459891. The next prime is 146173459951. The reversal of 146173459939 is 939954371641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 939954371641 = 131 ⋅7175224211.

It is a cyclic number.

It is not a de Polignac number, because 146173459939 - 2²⁵ = 146139905507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146173459139) 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, 5622056139 + ... + 5622056164.

It is an arithmetic number, because the mean of its divisors is an integer number (39354393064).

Almost surely, 2^146173459939 is an apocalyptic number.

146173459939 is a deficient number, since it is larger than the sum of its proper divisors (11244112317).

146173459939 is a wasteful number, since it uses less digits than its factorization.

146173459939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11244112316.

The product of its digits is 22044960, while the sum is 61.

The spelling of 146173459939 in words is "one hundred forty-six billion, one hundred seventy-three million, four hundred fifty-nine thousand, nine hundred thirty-nine".