137690229 has 8 divisors (see below), whose sum is σ = 186172992. Its totient is φ = 90500480.

The previous prime is 137690227. The next prime is 137690233. The reversal of 137690229 is 922096731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137690229 - 2¹ = 137690227 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137690227) 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, 323004 + ... + 323429.

It is an arithmetic number, because the mean of its divisors is an integer number (23271624).

Almost surely, 2^137690229 is an apocalyptic number.

It is an amenable number.

137690229 is a deficient number, since it is larger than the sum of its proper divisors (48482763).

137690229 is an equidigital number, since it uses as much as digits as its factorization.

137690229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646507.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 137690229 is about 11734.1479878174. The cubic root of 137690229 is about 516.3779718198.

The spelling of 137690229 in words is "one hundred thirty-seven million, six hundred ninety thousand, two hundred twenty-nine".