2135726655 has 8 divisors (see below), whose sum is σ = 3417162672. Its totient is φ = 1139054208.

The previous prime is 2135726653. The next prime is 2135726683. The reversal of 2135726655 is 5566275312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2135726655 - 2¹ = 2135726653 is a prime.

It is a super-2 number, since 2×2135726655² = 9122656689754978050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135726651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71190874 + ... + 71190903.

It is an arithmetic number, because the mean of its divisors is an integer number (427145334).

Almost surely, 2^2135726655 is an apocalyptic number.

2135726655 is a deficient number, since it is larger than the sum of its proper divisors (1281436017).

2135726655 is a wasteful number, since it uses less digits than its factorization.

2135726655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142381785.

The product of its digits is 378000, while the sum is 42.

The square root of 2135726655 is about 46213.9227397978. The cubic root of 2135726655 is about 1287.8004009513.

The spelling of 2135726655 in words is "two billion, one hundred thirty-five million, seven hundred twenty-six thousand, six hundred fifty-five".