27135700 has 18 divisors (see below), whose sum is σ = 58884686. Its totient is φ = 10854240.

The previous prime is 27135679. The next prime is 27135721. The reversal of 27135700 is 753172.

It is an interprime number because it is at equal distance from previous prime (27135679) and next prime (27135721).

It can be written as a sum of positive squares in 3 ways, for example, as 2414916 + 24720784 = 1554^2 + 4972^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

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, 135579 + ... + 135778.

Almost surely, 2^27135700 is an apocalyptic number.

27135700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27135700 is an abundant number, since it is smaller than the sum of its proper divisors (31748986).

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

27135700 is a wasteful number, since it uses less digits than its factorization.

27135700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271371 (or 271364 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 27135700 is about 5209.1937955887. The cubic root of 27135700 is about 300.5017529380.

Adding to 27135700 its reverse (753172), we get a palindrome (27888872).

The spelling of 27135700 in words is "twenty-seven million, one hundred thirty-five thousand, seven hundred".