194905126 has 16 divisors (see below), whose sum is σ = 320010768. Its totient is φ = 88480800.

The previous prime is 194905121. The next prime is 194905133. The reversal of 194905126 is 621509491.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194905121) 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, 59860 + ... + 63031.

It is an arithmetic number, because the mean of its divisors is an integer number (20000673).

Almost surely, 2^194905126 is an apocalyptic number.

194905126 is a deficient number, since it is larger than the sum of its proper divisors (125105642).

194905126 is a wasteful number, since it uses less digits than its factorization.

194905126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122967.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 194905126 is about 13960.8425963478. The cubic root of 194905126 is about 579.7949393994.

The spelling of 194905126 in words is "one hundred ninety-four million, nine hundred five thousand, one hundred twenty-six".