2135743287 has 4 divisors (see below), whose sum is σ = 2847657720. Its totient is φ = 1423828856.

The previous prime is 2135743277. The next prime is 2135743331. The reversal of 2135743287 is 7823475312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2135743287 - 2⁴ = 2135743271 is a prime.

It is a super-2 number, since 2×2135743287² = 9122798775931128738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135743217) 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, 355957212 + ... + 355957217.

It is an arithmetic number, because the mean of its divisors is an integer number (711914430).

Almost surely, 2^2135743287 is an apocalyptic number.

2135743287 is a deficient number, since it is larger than the sum of its proper divisors (711914433).

2135743287 is an equidigital number, since it uses as much as digits as its factorization.

2135743287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711914432.

The product of its digits is 282240, while the sum is 42.

The square root of 2135743287 is about 46214.1026852194. The cubic root of 2135743287 is about 1287.8037438635.

The spelling of 2135743287 in words is "two billion, one hundred thirty-five million, seven hundred forty-three thousand, two hundred eighty-seven".