127038520136 has 16 divisors (see below), whose sum is σ = 259851518640. Its totient is φ = 57744781840.

The previous prime is 127038520121. The next prime is 127038520207. The reversal of 127038520136 is 631025830721.

It is a super-2 number, since 2×127038520136² (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 127038520136.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721809686 + ... + 721809861.

It is an arithmetic number, because the mean of its divisors is an integer number (16240719915).

Almost surely, 2^127038520136 is an apocalyptic number.

It is an amenable number.

127038520136 is an abundant number, since it is smaller than the sum of its proper divisors (132812998504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127038520136 is a wasteful number, since it uses less digits than its factorization.

127038520136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443619564 (or 1443619560 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 127038520136 in words is "one hundred twenty-seven billion, thirty-eight million, five hundred twenty thousand, one hundred thirty-six".