126735864 has 16 divisors (see below), whose sum is σ = 316839720. Its totient is φ = 42245280.

The previous prime is 126735863. The next prime is 126735883. The reversal of 126735864 is 468537621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126735863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2640307 + ... + 2640354.

Almost surely, 2^126735864 is an apocalyptic number.

It is an amenable number.

126735864 is an abundant number, since it is smaller than the sum of its proper divisors (190103856).

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

126735864 is a wasteful number, since it uses less digits than its factorization.

126735864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5280670 (or 5280666 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 126735864 is about 11257.7024298922. The cubic root of 126735864 is about 502.3038535467.

The spelling of 126735864 in words is "one hundred twenty-six million, seven hundred thirty-five thousand, eight hundred sixty-four".