270131987 has 16 divisors (see below), whose sum is σ = 297937920. Its totient is φ = 243777600.

The previous prime is 270131971. The next prime is 270131993. The reversal of 270131987 is 789131072.

It is not a de Polignac number, because 270131987 - 2⁴ = 270131971 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 270131987.

It is not an unprimeable number, because it can be changed into a prime (270131957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117287 + ... + 119567.

It is an arithmetic number, because the mean of its divisors is an integer number (18621120).

Almost surely, 2^270131987 is an apocalyptic number.

270131987 is a deficient number, since it is larger than the sum of its proper divisors (27805933).

270131987 is a wasteful number, since it uses less digits than its factorization.

270131987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2594.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 270131987 is about 16435.6924709609. The cubic root of 270131987 is about 646.4357073980.

The spelling of 270131987 in words is "two hundred seventy million, one hundred thirty-one thousand, nine hundred eighty-seven".