2191362135 has 32 divisors (see below), whose sum is σ = 3718690560. Its totient is φ = 1098121728.

The previous prime is 2191362133. The next prime is 2191362139. The reversal of 2191362135 is 5312631912.

It is not a de Polignac number, because 2191362135 - 2¹ = 2191362133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2191362096 and 2191362105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2191362133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150904 + ... + 164786.

It is an arithmetic number, because the mean of its divisors is an integer number (116209080).

Almost surely, 2^2191362135 is an apocalyptic number.

2191362135 is a deficient number, since it is larger than the sum of its proper divisors (1527328425).

2191362135 is a wasteful number, since it uses less digits than its factorization.

2191362135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14527.

The product of its digits is 9720, while the sum is 33.

The square root of 2191362135 is about 46811.9870866427. The cubic root of 2191362135 is about 1298.8870425145.

It can be divided in two parts, 21913 and 62135, that added together give a palindrome (84048).

The spelling of 2191362135 in words is "two billion, one hundred ninety-one million, three hundred sixty-two thousand, one hundred thirty-five".