126636342 has 32 divisors (see below), whose sum is σ = 290678784. Its totient is φ = 36028800.

The previous prime is 126636287. The next prime is 126636347. The reversal of 126636342 is 243636621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126636347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3867 + ... + 16377.

It is an arithmetic number, because the mean of its divisors is an integer number (9083712).

Almost surely, 2^126636342 is an apocalyptic number.

126636342 is an abundant number, since it is smaller than the sum of its proper divisors (164042442).

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

126636342 is a wasteful number, since it uses less digits than its factorization.

126636342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12764.

The product of its digits is 31104, while the sum is 33.

The square root of 126636342 is about 11253.2813881108. The cubic root of 126636342 is about 502.1723375639.

The spelling of 126636342 in words is "one hundred twenty-six million, six hundred thirty-six thousand, three hundred forty-two".