127540657741 has 8 divisors (see below), whose sum is σ = 146117138240. Its totient is φ = 109053273888.

The previous prime is 127540657697. The next prime is 127540657757. The reversal of 127540657741 is 147756045721.

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

It is a cyclic number.

It is not a de Polignac number, because 127540657741 - 2⁷ = 127540657613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127540657841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22271091 + ... + 22276816.

It is an arithmetic number, because the mean of its divisors is an integer number (18264642280).

Almost surely, 2^127540657741 is an apocalyptic number.

It is an amenable number.

127540657741 is a deficient number, since it is larger than the sum of its proper divisors (18576480499).

127540657741 is an equidigital number, since it uses as much as digits as its factorization.

127540657741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44548323.

The product of its (nonzero) digits is 1646400, while the sum is 49.

The spelling of 127540657741 in words is "one hundred twenty-seven billion, five hundred forty million, six hundred fifty-seven thousand, seven hundred forty-one".