2135042748 has 18 divisors (see below), whose sum is σ = 5396913704. Its totient is φ = 711680904.

The previous prime is 2135042743. The next prime is 2135042759. The reversal of 2135042748 is 8472405312.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 59306743 = 2135042748 / (2 + 1 + 3 + 5 + 0 + 4 + 2 + 7 + 4 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135042743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29653336 + ... + 29653407.

Almost surely, 2^2135042748 is an apocalyptic number.

It is an amenable number.

2135042748 is an abundant number, since it is smaller than the sum of its proper divisors (3261870956).

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

2135042748 is a wasteful number, since it uses less digits than its factorization.

2135042748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59306753 (or 59306748 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 2135042748 is about 46206.5227862907. The cubic root of 2135042748 is about 1287.6629255345.

The spelling of 2135042748 in words is "two billion, one hundred thirty-five million, forty-two thousand, seven hundred forty-eight".