137950229 has 2 divisors, whose sum is σ = 137950230. Its totient is φ = 137950228.

The previous prime is 137950181. The next prime is 137950243. The reversal of 137950229 is 922059731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135094129 + 2856100 = 11623^2 + 1690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137950229 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 137950192 and 137950201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137950249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68975114 + 68975115.

It is an arithmetic number, because the mean of its divisors is an integer number (68975115).

Almost surely, 2^137950229 is an apocalyptic number.

It is an amenable number.

137950229 is a deficient number, since it is larger than the sum of its proper divisors (1).

137950229 is an equidigital number, since it uses as much as digits as its factorization.

137950229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 137950229 is about 11745.2215389919. The cubic root of 137950229 is about 516.7027923867.

The spelling of 137950229 in words is "one hundred thirty-seven million, nine hundred fifty thousand, two hundred twenty-nine".