2215135142 has 12 divisors (see below), whose sum is σ = 3652227348. Its totient is φ = 1006879500.

The previous prime is 2215135133. The next prime is 2215135147. The reversal of 2215135142 is 2415315122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215135147) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 4576484 + ... + 4576967.

It is an arithmetic number, because the mean of its divisors is an integer number (304352279).

Almost surely, 2^2215135142 is an apocalyptic number.

2215135142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2215135142 is a deficient number, since it is larger than the sum of its proper divisors (1437092206).

2215135142 is a wasteful number, since it uses less digits than its factorization.

2215135142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9153475 (or 9153464 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 2215135142 is about 47065.2222134348. Note that the first 4 decimals coincide. The cubic root of 2215135142 is about 1303.5671539878.

The spelling of 2215135142 in words is "two billion, two hundred fifteen million, one hundred thirty-five thousand, one hundred forty-two".