274535140 has 48 divisors (see below), whose sum is σ = 631229760. Its totient is φ = 99466880.

The previous prime is 274535119. The next prime is 274535167. The reversal of 274535140 is 41535472.

274535140 = T₉ + T₁₀ + ... + T₁₁₈₀.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62331 + ... + 66589.

It is an arithmetic number, because the mean of its divisors is an integer number (13150620).

Almost surely, 2^274535140 is an apocalyptic number.

274535140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274535140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315614880).

274535140 is an abundant number, since it is smaller than the sum of its proper divisors (356694620).

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

274535140 is a wasteful number, since it uses less digits than its factorization.

274535140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4572 (or 4570 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 274535140 is about 16569.1019672160. The cubic root of 274535140 is about 649.9290968025.

The spelling of 274535140 in words is "two hundred seventy-four million, five hundred thirty-five thousand, one hundred forty".