2135274373 has 4 divisors (see below), whose sum is σ = 2136884800. Its totient is φ = 2133663948.

The previous prime is 2135274371. The next prime is 2135274433. The reversal of 2135274373 is 3734725312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2135274373 - 2¹ = 2135274371 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135274371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803223 + ... + 805876.

It is an arithmetic number, because the mean of its divisors is an integer number (534221200).

Almost surely, 2^2135274373 is an apocalyptic number.

It is an amenable number.

2135274373 is a deficient number, since it is larger than the sum of its proper divisors (1610427).

2135274373 is a wasteful number, since it uses less digits than its factorization.

2135274373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610426.

The product of its digits is 105840, while the sum is 37.

The square root of 2135274373 is about 46209.0291285156. The cubic root of 2135274373 is about 1287.7094888708.

Adding to 2135274373 its reverse (3734725312), we get a palindrome (5869999685).

The spelling of 2135274373 in words is "two billion, one hundred thirty-five million, two hundred seventy-four thousand, three hundred seventy-three".