2135771452 has 24 divisors (see below), whose sum is σ = 3789146592. Its totient is φ = 1053240000.

The previous prime is 2135771441. The next prime is 2135771471. The reversal of 2135771452 is 2541775312.

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, 96202 + ... + 116302.

It is an arithmetic number, because the mean of its divisors is an integer number (157881108).

Almost surely, 2^2135771452 is an apocalyptic number.

It is an amenable number.

2135771452 is a deficient number, since it is larger than the sum of its proper divisors (1653375140).

2135771452 is a wasteful number, since it uses less digits than its factorization.

2135771452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20469 (or 20467 counting only the distinct ones).

The product of its digits is 58800, while the sum is 37.

The square root of 2135771452 is about 46214.4074072145. The cubic root of 2135771452 is about 1287.8094047863.

The spelling of 2135771452 in words is "two billion, one hundred thirty-five million, seven hundred seventy-one thousand, four hundred fifty-two".