270057149 has 4 divisors (see below), whose sum is σ = 273756636. Its totient is φ = 266357664.

The previous prime is 270057143. The next prime is 270057163. The reversal of 270057149 is 941750072.

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

It can be written as a sum of positive squares in 2 ways, for example, as 229734649 + 40322500 = 15157^2 + 6350^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-270057149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270057143) 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, 1849634 + ... + 1849779.

It is an arithmetic number, because the mean of its divisors is an integer number (68439159).

Almost surely, 2^270057149 is an apocalyptic number.

It is an amenable number.

270057149 is a deficient number, since it is larger than the sum of its proper divisors (3699487).

270057149 is an equidigital number, since it uses as much as digits as its factorization.

270057149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3699486.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 270057149 is about 16433.4156218359. The cubic root of 270057149 is about 646.3760051956.

The spelling of 270057149 in words is "two hundred seventy million, fifty-seven thousand, one hundred forty-nine".