275537140 has 48 divisors (see below), whose sum is σ = 586740672. Its totient is φ = 108682496.

The previous prime is 275537137. The next prime is 275537177. The reversal of 275537140 is 41735572.

275537140 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

275537140 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 275537096 and 275537105.

It is a congruent number.

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, 621759 + ... + 622201.

It is an arithmetic number, because the mean of its divisors is an integer number (12223764).

Almost surely, 2^275537140 is an apocalyptic number.

275537140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275537140 is an abundant number, since it is smaller than the sum of its proper divisors (311203532).

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

275537140 is a wasteful number, since it uses less digits than its factorization.

275537140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 275537140 is about 16599.3114315022. The cubic root of 275537140 is about 650.7188418131.

The spelling of 275537140 in words is "two hundred seventy-five million, five hundred thirty-seven thousand, one hundred forty".