126635394 has 16 divisors (see below), whose sum is σ = 255094560. Its totient is φ = 41907840.

The previous prime is 126635393. The next prime is 126635459. The reversal of 126635394 is 493536621.

It is not an unprimeable number, because it can be changed into a prime (126635393) 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, 75087 + ... + 76754.

It is an arithmetic number, because the mean of its divisors is an integer number (15943410).

Almost surely, 2^126635394 is an apocalyptic number.

126635394 is an abundant number, since it is smaller than the sum of its proper divisors (128459166).

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

126635394 is a wasteful number, since it uses less digits than its factorization.

126635394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151985.

The product of its digits is 116640, while the sum is 39.

The square root of 126635394 is about 11253.2392669844. The cubic root of 126635394 is about 502.1710844729.

The spelling of 126635394 in words is "one hundred twenty-six million, six hundred thirty-five thousand, three hundred ninety-four".