27131434 has 16 divisors (see below), whose sum is σ = 45598176. Its totient is φ = 11998800.

The previous prime is 27131387. The next prime is 27131437. The reversal of 27131434 is 43413172.

It is a super-2 number, since 2×27131434² = 1472229421792712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27131399 and 27131408.

It is not an unprimeable number, because it can be changed into a prime (27131437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15852 + ... + 17479.

It is an arithmetic number, because the mean of its divisors is an integer number (2849886).

Almost surely, 2^27131434 is an apocalyptic number.

27131434 is a deficient number, since it is larger than the sum of its proper divisors (18466742).

27131434 is a wasteful number, since it uses less digits than its factorization.

27131434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33381.

The product of its digits is 2016, while the sum is 25.

The square root of 27131434 is about 5208.7843111421. The cubic root of 27131434 is about 300.4860048318.

The spelling of 27131434 in words is "twenty-seven million, one hundred thirty-one thousand, four hundred thirty-four".