2135546742 has 16 divisors (see below), whose sum is σ = 4881249792. Its totient is φ = 610156200.

The previous prime is 2135546731. The next prime is 2135546759. The reversal of 2135546742 is 2476455312.

It is a self number, because there is not a number n which added to its sum of digits gives 2135546742.

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, 25423134 + ... + 25423217.

It is an arithmetic number, because the mean of its divisors is an integer number (305078112).

Almost surely, 2^2135546742 is an apocalyptic number.

2135546742 is an abundant number, since it is smaller than the sum of its proper divisors (2745703050).

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

2135546742 is a wasteful number, since it uses less digits than its factorization.

2135546742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50846363.

The product of its digits is 201600, while the sum is 39.

The square root of 2135546742 is about 46211.9761750133. The cubic root of 2135546742 is about 1287.7642386238.

The spelling of 2135546742 in words is "two billion, one hundred thirty-five million, five hundred forty-six thousand, seven hundred forty-two".