27250139 has 4 divisors (see below), whose sum is σ = 31143024. Its totient is φ = 23357256.

The previous prime is 27250127. The next prime is 27250159. The reversal of 27250139 is 93105272.

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

It is a cyclic number.

It is not a de Polignac number, because 27250139 - 2⁸ = 27249883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27250159) 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, 1946432 + ... + 1946445.

It is an arithmetic number, because the mean of its divisors is an integer number (7785756).

Almost surely, 2^27250139 is an apocalyptic number.

27250139 is a deficient number, since it is larger than the sum of its proper divisors (3892885).

27250139 is an equidigital number, since it uses as much as digits as its factorization.

27250139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3892884.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 27250139 is about 5220.1665682237. The cubic root of 27250139 is about 300.9235944007.

The spelling of 27250139 in words is "twenty-seven million, two hundred fifty thousand, one hundred thirty-nine".