275540276137 has 4 divisors (see below), whose sum is σ = 314903172736. Its totient is φ = 236177379540.

The previous prime is 275540276131. The next prime is 275540276147. The reversal of 275540276137 is 731672045572.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275540276137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275540276131) 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, 19681448289 + ... + 19681448302.

It is an arithmetic number, because the mean of its divisors is an integer number (78725793184).

Almost surely, 2^275540276137 is an apocalyptic number.

It is an amenable number.

275540276137 is a deficient number, since it is larger than the sum of its proper divisors (39362896599).

275540276137 is an equidigital number, since it uses as much as digits as its factorization.

275540276137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39362896598.

The product of its (nonzero) digits is 2469600, while the sum is 49.

The spelling of 275540276137 in words is "two hundred seventy-five billion, five hundred forty million, two hundred seventy-six thousand, one hundred thirty-seven".