126138754 has 16 divisors (see below), whose sum is σ = 217267776. Its totient is φ = 53802000.

The previous prime is 126138751. The next prime is 126138767. The reversal of 126138754 is 457831621.

It is not an unprimeable number, because it can be changed into a prime (126138751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18397 + ... + 24304.

It is an arithmetic number, because the mean of its divisors is an integer number (13579236).

Almost surely, 2^126138754 is an apocalyptic number.

126138754 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

126138754 is a deficient number, since it is larger than the sum of its proper divisors (91129022).

126138754 is a wasteful number, since it uses less digits than its factorization.

126138754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42921.

The product of its digits is 40320, while the sum is 37.

The square root of 126138754 is about 11231.1510540995. The cubic root of 126138754 is about 501.5137511566.

The spelling of 126138754 in words is "one hundred twenty-six million, one hundred thirty-eight thousand, seven hundred fifty-four".