2134544542 has 16 divisors (see below), whose sum is σ = 3532212432. Its totient is φ = 961145280.

The previous prime is 2134544519. The next prime is 2134544551. The reversal of 2134544542 is 2454454312.

It is a junction number, because it is equal to n+sod(n) for n = 2134544498 and 2134544507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000128 + ... + 1002259.

It is an arithmetic number, because the mean of its divisors is an integer number (220763277).

Almost surely, 2^2134544542 is an apocalyptic number.

2134544542 is a deficient number, since it is larger than the sum of its proper divisors (1397667890).

2134544542 is a wasteful number, since it uses less digits than its factorization.

2134544542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002443.

The product of its digits is 76800, while the sum is 34.

The square root of 2134544542 is about 46201.1313930730. The cubic root of 2134544542 is about 1287.5627602800.

Adding to 2134544542 its reverse (2454454312), we get a palindrome (4588998854).

The spelling of 2134544542 in words is "two billion, one hundred thirty-four million, five hundred forty-four thousand, five hundred forty-two".