194429413 has 16 divisors (see below), whose sum is σ = 211273920. Its totient is φ = 178298496.

The previous prime is 194429371. The next prime is 194429423. The reversal of 194429413 is 314924491.

It is a cyclic number.

It is not a de Polignac number, because 194429413 - 2⁹ = 194428901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194429423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163206 + ... + 164392.

It is an arithmetic number, because the mean of its divisors is an integer number (13204620).

Almost surely, 2^194429413 is an apocalyptic number.

It is an amenable number.

194429413 is a deficient number, since it is larger than the sum of its proper divisors (16844507).

194429413 is a wasteful number, since it uses less digits than its factorization.

194429413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476.

The product of its digits is 31104, while the sum is 37.

The square root of 194429413 is about 13943.7947847779. The cubic root of 194429413 is about 579.3228452769.

The spelling of 194429413 in words is "one hundred ninety-four million, four hundred twenty-nine thousand, four hundred thirteen".