270135961 has 4 divisors (see below), whose sum is σ = 270719872. Its totient is φ = 269552052.

The previous prime is 270135949. The next prime is 270135991. The reversal of 270135961 is 169531072.

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 270135961 - 2¹⁹ = 269611673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (270135941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291261 + ... + 292186.

It is an arithmetic number, because the mean of its divisors is an integer number (67679968).

Almost surely, 2^270135961 is an apocalyptic number.

It is an amenable number.

270135961 is a deficient number, since it is larger than the sum of its proper divisors (583911).

270135961 is an equidigital number, since it uses as much as digits as its factorization.

270135961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583910.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 270135961 is about 16435.8133659396. The cubic root of 270135961 is about 646.4388773582.

The spelling of 270135961 in words is "two hundred seventy million, one hundred thirty-five thousand, nine hundred sixty-one".