126536745 has 16 divisors (see below), whose sum is σ = 207168192. Its totient is φ = 65916480.

The previous prime is 126536717. The next prime is 126536747. The reversal of 126536745 is 547635621.

It is not a de Polignac number, because 126536745 - 2⁹ = 126536233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126536747) 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, 97446 + ... + 98735.

It is an arithmetic number, because the mean of its divisors is an integer number (12948012).

Almost surely, 2^126536745 is an apocalyptic number.

126536745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126536745 is a deficient number, since it is larger than the sum of its proper divisors (80631447).

126536745 is a wasteful number, since it uses less digits than its factorization.

126536745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196232.

The product of its digits is 151200, while the sum is 39.

The square root of 126536745 is about 11248.8552750936. The cubic root of 126536745 is about 502.0406534697.

The spelling of 126536745 in words is "one hundred twenty-six million, five hundred thirty-six thousand, seven hundred forty-five".