146202220131 has 24 divisors (see below), whose sum is σ = 214437027840. Its totient is φ = 88537846320.

The previous prime is 146202220063. The next prime is 146202220139. The reversal of 146202220131 is 131022202641.

It is not a de Polignac number, because 146202220131 - 2²³ = 146193831523 is a prime.

It is a super-2 number, since 2×146202220131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (146202220139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 306826 + ... + 621728.

It is an arithmetic number, because the mean of its divisors is an integer number (8934876160).

Almost surely, 2^146202220131 is an apocalyptic number.

146202220131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

146202220131 is a deficient number, since it is larger than the sum of its proper divisors (68234807709).

146202220131 is a wasteful number, since it uses less digits than its factorization.

146202220131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316207 (or 316196 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 146202220131 its reverse (131022202641), we get a palindrome (277224422772).

The spelling of 146202220131 in words is "one hundred forty-six billion, two hundred two million, two hundred twenty thousand, one hundred thirty-one".