270134257 has 4 divisors (see below), whose sum is σ = 270209520. Its totient is φ = 270058996.

The previous prime is 270134243. The next prime is 270134261. The reversal of 270134257 is 752431072.

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 a de Polignac number, because none of the positive numbers 2^k-270134257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (270134957) 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, 31963 + ... + 39520.

It is an arithmetic number, because the mean of its divisors is an integer number (67552380).

Almost surely, 2^270134257 is an apocalyptic number.

It is an amenable number.

270134257 is a deficient number, since it is larger than the sum of its proper divisors (75263).

270134257 is an equidigital number, since it uses as much as digits as its factorization.

270134257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75262.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 270134257 is about 16435.7615278392. The cubic root of 270134257 is about 646.4375181239.

The spelling of 270134257 in words is "two hundred seventy million, one hundred thirty-four thousand, two hundred fifty-seven".