126136856 has 8 divisors (see below), whose sum is σ = 236506620. Its totient is φ = 63068424.

The previous prime is 126136849. The next prime is 126136883. The reversal of 126136856 is 658631621.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7883546 + ... + 7883561.

Almost surely, 2^126136856 is an apocalyptic number.

It is an amenable number.

126136856 is a deficient number, since it is larger than the sum of its proper divisors (110369764).

126136856 is a wasteful number, since it uses less digits than its factorization.

126136856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15767113 (or 15767109 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 126136856 is about 11231.0665566544. The cubic root of 126136856 is about 501.5112357312.

The spelling of 126136856 in words is "one hundred twenty-six million, one hundred thirty-six thousand, eight hundred fifty-six".