127714680392465 has 8 divisors (see below), whose sum is σ = 153277939764648. Its totient is φ = 102158195451520.

The previous prime is 127714680392449. The next prime is 127714680392473. The reversal of 127714680392465 is 564293086417721.

It is a happy number.

It is a Cunningham number, because it is equal to 11301092²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 14500803072064 + 113213877320401 = 3807992^2 + 10640201^2 .

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

It is not a de Polignac number, because 127714680392465 - 2⁴ = 127714680392449 is a prime.

It is a super-2 number, since 2×127714680392465² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1693566332 + ... + 1693641741.

It is an arithmetic number, because the mean of its divisors is an integer number (19159742470581).

It is a 1-persistent number, because it is pandigital, but 2⋅127714680392465 = 255429360784930 is not.

Almost surely, 2^{127714680392465} is an apocalyptic number.

It is an amenable number.

127714680392465 is a deficient number, since it is larger than the sum of its proper divisors (25563259372183).

127714680392465 is an equidigital number, since it uses as much as digits as its factorization.

127714680392465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3387215619.

The product of its (nonzero) digits is 121927680, while the sum is 65.

The spelling of 127714680392465 in words is "one hundred twenty-seven trillion, seven hundred fourteen billion, six hundred eighty million, three hundred ninety-two thousand, four hundred sixty-five".