27139050 has 60 divisors (see below), whose sum is σ = 75417606. Its totient is φ = 7236000.

The previous prime is 27139039. The next prime is 27139061. The reversal of 27139050 is 5093172.

27139050 is a `hidden beast` number, since 271 + 390 + 5 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (27139039) and next prime (27139061).

It can be written as a sum of positive squares in 3 ways, for example, as 18896409 + 8242641 = 4347^2 + 2871^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 700 + ... + 7400.

Almost surely, 2^27139050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27139050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37708803).

27139050 is an abundant number, since it is smaller than the sum of its proper divisors (48278556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27139050 is a wasteful number, since it uses less digits than its factorization.

27139050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6725 (or 6711 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 27139050 is about 5209.5153325429. The cubic root of 27139050 is about 300.5141184375.

The spelling of 27139050 in words is "twenty-seven million, one hundred thirty-nine thousand, fifty".