2135402134 has 16 divisors (see below), whose sum is σ = 3375057600. Its totient is φ = 1010495304.

The previous prime is 2135402131. The next prime is 2135402161. The reversal of 2135402134 is 4312045312.

It is a junction number, because it is equal to n+sod(n) for n = 2135402099 and 2135402108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135402131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11149 + ... + 66295.

It is an arithmetic number, because the mean of its divisors is an integer number (210941100).

Almost surely, 2^2135402134 is an apocalyptic number.

2135402134 is a deficient number, since it is larger than the sum of its proper divisors (1239655466).

2135402134 is a wasteful number, since it uses less digits than its factorization.

2135402134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56187.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2135402134 is about 46210.4115324674. The cubic root of 2135402134 is about 1287.7351710927.

Adding to 2135402134 its reverse (4312045312), we get a palindrome (6447447446).

The spelling of 2135402134 in words is "two billion, one hundred thirty-five million, four hundred two thousand, one hundred thirty-four".