27143130 has 64 divisors (see below), whose sum is σ = 77034240. Its totient is φ = 5988864.

The previous prime is 27143119. The next prime is 27143161. The reversal of 27143130 is 3134172.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27143097 and 27143106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3862 + ... + 8318.

It is an arithmetic number, because the mean of its divisors is an integer number (1203660).

Almost surely, 2^27143130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27143130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38517120).

27143130 is an abundant number, since it is smaller than the sum of its proper divisors (49891110).

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

27143130 is a wasteful number, since it uses less digits than its factorization.

27143130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4503.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 27143130 is about 5209.9069089572. The cubic root of 27143130 is about 300.5291771341.

The spelling of 27143130 in words is "twenty-seven million, one hundred forty-three thousand, one hundred thirty".