275680156 has 12 divisors (see below), whose sum is σ = 482802768. Its totient is φ = 137736512.

The previous prime is 275680133. The next prime is 275680157. The reversal of 275680156 is 651086572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275680157) 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, 19741 + ... + 30676.

It is an arithmetic number, because the mean of its divisors is an integer number (40233564).

Almost surely, 2^275680156 is an apocalyptic number.

It is an amenable number.

275680156 is a deficient number, since it is larger than the sum of its proper divisors (207122612).

275680156 is a wasteful number, since it uses less digits than its factorization.

275680156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51788 (or 51786 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 275680156 is about 16603.6187621855. The cubic root of 275680156 is about 650.8314063228.

The spelling of 275680156 in words is "two hundred seventy-five million, six hundred eighty thousand, one hundred fifty-six".