194266137 has 32 divisors (see below), whose sum is σ = 284514048. Its totient is φ = 117190656.

The previous prime is 194266117. The next prime is 194266183. The reversal of 194266137 is 731662491.

It is not a de Polignac number, because 194266137 - 2⁸ = 194265881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 194266095 and 194266104.

It is not an unprimeable number, because it can be changed into a prime (194266117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 550153 + ... + 550505.

It is an arithmetic number, because the mean of its divisors is an integer number (8891064).

Almost surely, 2^194266137 is an apocalyptic number.

It is an amenable number.

194266137 is a deficient number, since it is larger than the sum of its proper divisors (90247911).

194266137 is a wasteful number, since it uses less digits than its factorization.

194266137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609.

The product of its digits is 54432, while the sum is 39.

The square root of 194266137 is about 13937.9387643941. The cubic root of 194266137 is about 579.1606338680.

The spelling of 194266137 in words is "one hundred ninety-four million, two hundred sixty-six thousand, one hundred thirty-seven".