2135929656 has 32 divisors (see below), whose sum is σ = 6102656640. Its totient is φ = 610265568.

The previous prime is 2135929639. The next prime is 2135929693. The reversal of 2135929656 is 6569295312.

It is a happy number.

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, 6356766 + ... + 6357101.

It is an arithmetic number, because the mean of its divisors is an integer number (190708020).

Almost surely, 2^2135929656 is an apocalyptic number.

It is an amenable number.

2135929656 is an abundant number, since it is smaller than the sum of its proper divisors (3966726984).

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

2135929656 is a wasteful number, since it uses less digits than its factorization.

2135929656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12713883 (or 12713879 counting only the distinct ones).

The product of its digits is 874800, while the sum is 48.

The square root of 2135929656 is about 46216.1190062515. The cubic root of 2135929656 is about 1287.8412015044.

It can be divided in two parts, 21359 and 29656, that added together give a palindrome (51015).

The spelling of 2135929656 in words is "two billion, one hundred thirty-five million, nine hundred twenty-nine thousand, six hundred fifty-six".