146402271121 has 4 divisors (see below), whose sum is σ = 146643461632. Its totient is φ = 146161080612.

The previous prime is 146402271107. The next prime is 146402271131. The reversal of 146402271121 is 121172204641.

It is a happy number.

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: 121172204641 = 587 ⋅206426243.

It is a cyclic number.

It is not a de Polignac number, because 146402271121 - 2⁵ = 146402271089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146402271101) 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, 120594345 + ... + 120595558.

It is an arithmetic number, because the mean of its divisors is an integer number (36660865408).

Almost surely, 2^146402271121 is an apocalyptic number.

It is an amenable number.

146402271121 is a deficient number, since it is larger than the sum of its proper divisors (241190511).

146402271121 is an equidigital number, since it uses as much as digits as its factorization.

146402271121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241190510.

The product of its (nonzero) digits is 5376, while the sum is 31.

Adding to 146402271121 its reverse (121172204641), we get a palindrome (267574475762).

The spelling of 146402271121 in words is "one hundred forty-six billion, four hundred two million, two hundred seventy-one thousand, one hundred twenty-one".