2135726654 has 32 divisors (see below), whose sum is σ = 3547908000. Its totient is φ = 960284160.

The previous prime is 2135726653. The next prime is 2135726683. The reversal of 2135726654 is 4566275312.

It is a super-2 number, since 2×2135726654² = 9122656681212071432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Curzon number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39122 + ... + 76170.

It is an arithmetic number, because the mean of its divisors is an integer number (110872125).

Almost surely, 2^2135726654 is an apocalyptic number.

2135726654 is a deficient number, since it is larger than the sum of its proper divisors (1412181346).

2135726654 is a wasteful number, since it uses less digits than its factorization.

2135726654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37148.

The product of its digits is 302400, while the sum is 41.

The square root of 2135726654 is about 46213.9227289785. The cubic root of 2135726654 is about 1287.8004007503.

The spelling of 2135726654 in words is "two billion, one hundred thirty-five million, seven hundred twenty-six thousand, six hundred fifty-four".