271840146 has 8 divisors (see below), whose sum is σ = 543680304. Its totient is φ = 90613380.

The previous prime is 271840141. The next prime is 271840157. The reversal of 271840146 is 641048172.

It is a sphenic number, since it is the product of 3 distinct primes.

271840146 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (271840141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22653340 + ... + 22653351.

It is an arithmetic number, because the mean of its divisors is an integer number (67960038).

Almost surely, 2^271840146 is an apocalyptic number.

271840146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

271840146 is a wasteful number, since it uses less digits than its factorization.

271840146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45306696.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 271840146 is about 16487.5755039969. The cubic root of 271840146 is about 647.7954077095.

The spelling of 271840146 in words is "two hundred seventy-one million, eight hundred forty thousand, one hundred forty-six".