127356629465 has 16 divisors (see below), whose sum is σ = 164593405200. Its totient is φ = 94042570752.

The previous prime is 127356629459. The next prime is 127356629467. The reversal of 127356629465 is 564926653721.

It can be written as a sum of positive squares in 8 ways, for example, as 39351847129 + 88004782336 = 198373^2 + 296656^2 .

It is a de Polignac number, because none of the positive numbers 2^k-127356629465 is a prime.

It is a super-2 number, since 2×127356629465² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 127356629465.

It is not an unprimeable number, because it can be changed into a prime (127356629467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1353881 + ... + 1444889.

It is an arithmetic number, because the mean of its divisors is an integer number (10287087825).

Almost surely, 2^127356629465 is an apocalyptic number.

It is an amenable number.

127356629465 is a deficient number, since it is larger than the sum of its proper divisors (37236775735).

127356629465 is a wasteful number, since it uses less digits than its factorization.

127356629465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112556.

The product of its digits is 16329600, while the sum is 56.

It can be divided in two parts, 1273566 and 29465, that added together give a palindrome (1303031).

The spelling of 127356629465 in words is "one hundred twenty-seven billion, three hundred fifty-six million, six hundred twenty-nine thousand, four hundred sixty-five".