137994203 has 2 divisors, whose sum is σ = 137994204. Its totient is φ = 137994202.

The previous prime is 137994193. The next prime is 137994217. The reversal of 137994203 is 302499731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137994203 - 2⁴ = 137994187 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (137994293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68997101 + 68997102.

It is an arithmetic number, because the mean of its divisors is an integer number (68997102).

Almost surely, 2^137994203 is an apocalyptic number.

137994203 is a deficient number, since it is larger than the sum of its proper divisors (1).

137994203 is an equidigital number, since it uses as much as digits as its factorization.

137994203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 137994203 is about 11747.0933851741. The cubic root of 137994203 is about 516.7576891779.

The spelling of 137994203 in words is "one hundred thirty-seven million, nine hundred ninety-four thousand, two hundred three".