326147140 has 24 divisors (see below), whose sum is σ = 747173952. Its totient is φ = 118598880.

The previous prime is 326147123. The next prime is 326147149. The reversal of 326147140 is 41741623.

It is a junction number, because it is equal to n+sod(n) for n = 326147099 and 326147108.

It is not an unprimeable number, because it can be changed into a prime (326147149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741024 + ... + 741463.

It is an arithmetic number, because the mean of its divisors is an integer number (31132248).

Almost surely, 2^326147140 is an apocalyptic number.

It is an amenable number.

326147140 is an abundant number, since it is smaller than the sum of its proper divisors (421026812).

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

326147140 is a wasteful number, since it uses less digits than its factorization.

326147140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482507 (or 1482505 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 326147140 is about 18059.5442910390. The cubic root of 326147140 is about 688.3424049417.

Adding to 326147140 its reverse (41741623), we get a palindrome (367888763).

The spelling of 326147140 in words is "three hundred twenty-six million, one hundred forty-seven thousand, one hundred forty".