27142357 has 6 divisors (see below), whose sum is σ = 29834294. Its totient is φ = 24674760.

The previous prime is 27142351. The next prime is 27142361. The reversal of 27142357 is 75324172.

It can be written as a sum of positive squares in only one way, i.e., 26615281 + 527076 = 5159^2 + 726^2 .

It is not a de Polignac number, because 27142357 - 2⁷ = 27142229 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 (27142351) 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 5 ways as a sum of consecutive naturals, for example, 112038 + ... + 112279.

Almost surely, 2^27142357 is an apocalyptic number.

It is an amenable number.

27142357 is a deficient number, since it is larger than the sum of its proper divisors (2691937).

27142357 is a wasteful number, since it uses less digits than its factorization.

27142357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224339 (or 224328 counting only the distinct ones).

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

The square root of 27142357 is about 5209.8327228425. The cubic root of 27142357 is about 300.5263242175.

The spelling of 27142357 in words is "twenty-seven million, one hundred forty-two thousand, three hundred fifty-seven".