2148335140 has 48 divisors (see below), whose sum is σ = 5243414400. Its totient is φ = 724084992.

The previous prime is 2148335117. The next prime is 2148335141. The reversal of 2148335140 is 415338412.

It is not an unprimeable number, because it can be changed into a prime (2148335141) 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, 121785 + ... + 138304.

It is an arithmetic number, because the mean of its divisors is an integer number (109237800).

Almost surely, 2^2148335140 is an apocalyptic number.

2148335140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2148335140 is an abundant number, since it is smaller than the sum of its proper divisors (3095079260).

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

2148335140 is a wasteful number, since it uses less digits than its factorization.

2148335140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260164 (or 260162 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2148335140 is about 46350.1363536290. The cubic root of 2148335140 is about 1290.3296515455.

The spelling of 2148335140 in words is "two billion, one hundred forty-eight million, three hundred thirty-five thousand, one hundred forty".