2142055307 has 8 divisors (see below), whose sum is σ = 2576908800. Its totient is φ = 1739413224.

The previous prime is 2142055271. The next prime is 2142055327. The reversal of 2142055307 is 7035502412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2142055307 - 2⁸ = 2142055051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2142055307.

It is not an unprimeable number, because it can be changed into a prime (2142055327) 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, 8052707 + ... + 8052972.

It is an arithmetic number, because the mean of its divisors is an integer number (322113600).

Almost surely, 2^2142055307 is an apocalyptic number.

2142055307 is a deficient number, since it is larger than the sum of its proper divisors (434853493).

2142055307 is a wasteful number, since it uses less digits than its factorization.

2142055307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16105705.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2142055307 is about 46282.3433611566. The cubic root of 2142055307 is about 1289.0711633931.

Adding to 2142055307 its reverse (7035502412), we get a palindrome (9177557719).

The spelling of 2142055307 in words is "two billion, one hundred forty-two million, fifty-five thousand, three hundred seven".