2135657071 has 2 divisors, whose sum is σ = 2135657072. Its totient is φ = 2135657070.

The previous prime is 2135657009. The next prime is 2135657089. The reversal of 2135657071 is 1707565312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2135657071 - 2²¹ = 2133559919 is a prime.

It is a super-2 number, since 2×2135657071² = 9122062249824598082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2135657071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2135657471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067828535 + 1067828536.

It is an arithmetic number, because the mean of its divisors is an integer number (1067828536).

Almost surely, 2^2135657071 is an apocalyptic number.

2135657071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2135657071 is an equidigital number, since it uses as much as digits as its factorization.

2135657071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 2135657071 is about 46213.1698869489. The cubic root of 2135657071 is about 1287.7864148799.

The spelling of 2135657071 in words is "two billion, one hundred thirty-five million, six hundred fifty-seven thousand, seventy-one".