27145019 has 12 divisors (see below), whose sum is σ = 29985648. Its totient is φ = 24554640.

The previous prime is 27145003. The next prime is 27145021. The reversal of 27145019 is 91054172.

It is not a de Polignac number, because 27145019 - 2⁴ = 27145003 is a prime.

It is a super-2 number, since 2×27145019² = 1473704113020722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 27144982 and 27145000.

It is not an unprimeable number, because it can be changed into a prime (27145049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31397 + ... + 32249.

It is an arithmetic number, because the mean of its divisors is an integer number (2498804).

Almost surely, 2^27145019 is an apocalyptic number.

27145019 is a deficient number, since it is larger than the sum of its proper divisors (2840629).

27145019 is a wasteful number, since it uses less digits than its factorization.

27145019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138 (or 1127 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 27145019 is about 5210.0881950309. The cubic root of 27145019 is about 300.5361486520.

The spelling of 27145019 in words is "twenty-seven million, one hundred forty-five thousand, nineteen".