9146140420 has 48 divisors (see below), whose sum is σ = 20809692288. Its totient is φ = 3363171840.

The previous prime is 9146140363. The next prime is 9146140441. The reversal of 9146140420 is 240416419.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298176 + ... + 327415.

It is an arithmetic number, because the mean of its divisors is an integer number (433535256).

Almost surely, 2^9146140420 is an apocalyptic number.

It is an amenable number.

9146140420 is an abundant number, since it is smaller than the sum of its proper divisors (11663551868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9146140420 is a wasteful number, since it uses less digits than its factorization.

9146140420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625660 (or 625658 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 9146140420 is about 95635.4558728090. The cubic root of 9146140420 is about 2091.2821067345.

Adding to 9146140420 its reverse (240416419), we get a palindrome (9386556839).

The spelling of 9146140420 in words is "nine billion, one hundred forty-six million, one hundred forty thousand, four hundred twenty".