146217389405 has 16 divisors (see below), whose sum is σ = 181872190080. Its totient is φ = 112715738688.

The previous prime is 146217389371. The next prime is 146217389407. The reversal of 146217389405 is 504983712641.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 146217389405 - 2³⁶ = 77497912669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146217389407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 929447 + ... + 1075316.

It is an arithmetic number, because the mean of its divisors is an integer number (11367011880).

It is a 1-persistent number, because it is pandigital, but 2⋅146217389405 = 292434778810 is not.

Almost surely, 2^146217389405 is an apocalyptic number.

It is an amenable number.

146217389405 is a deficient number, since it is larger than the sum of its proper divisors (35654800675).

146217389405 is a wasteful number, since it uses less digits than its factorization.

146217389405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005300.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 146217389405 in words is "one hundred forty-six billion, two hundred seventeen million, three hundred eighty-nine thousand, four hundred five".