127357136073 has 12 divisors (see below), whose sum is σ = 186027278580. Its totient is φ = 83950770816.

The previous prime is 127357136069. The next prime is 127357136077. The reversal of 127357136073 is 370631753721.

127357136073 is a `hidden beast` number, since 1 + 2 + 7 + 3 + 571 + 3 + 6 + 0 + 73 = 666.

It is an interprime number because it is at equal distance from previous prime (127357136069) and next prime (127357136077).

It can be written as a sum of positive squares in 2 ways, for example, as 53744221584 + 73612914489 = 231828^2 + 271317^2 .

It is not a de Polignac number, because 127357136073 - 2² = 127357136069 is a prime.

It is a super-2 number, since 2×127357136073² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (127357136077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79498036 + ... + 79499637.

It is an arithmetic number, because the mean of its divisors is an integer number (15502273215).

Almost surely, 2^127357136073 is an apocalyptic number.

It is an amenable number.

127357136073 is a deficient number, since it is larger than the sum of its proper divisors (58670142507).

127357136073 is a wasteful number, since it uses less digits than its factorization.

127357136073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158997768 (or 158997765 counting only the distinct ones).

The product of its (nonzero) digits is 555660, while the sum is 45.

Adding to 127357136073 its reverse (370631753721), we get a palindrome (497988889794).

The spelling of 127357136073 in words is "one hundred twenty-seven billion, three hundred fifty-seven million, one hundred thirty-six thousand, seventy-three".