137140229 has 4 divisors (see below), whose sum is σ = 137187084. Its totient is φ = 137093376.

The previous prime is 137140183. The next prime is 137140231. The reversal of 137140229 is 922041731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 922041731 = 13 ⋅70926287.

It can be written as a sum of positive squares in 2 ways, for example, as 136843204 + 297025 = 11698^2 + 545^2 .

It is a cyclic number.

It is not a de Polignac number, because 137140229 - 2¹² = 137136133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137140279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18722 + ... + 24995.

It is an arithmetic number, because the mean of its divisors is an integer number (34296771).

Almost surely, 2^137140229 is an apocalyptic number.

It is an amenable number.

137140229 is a deficient number, since it is larger than the sum of its proper divisors (46855).

137140229 is an equidigital number, since it uses as much as digits as its factorization.

137140229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46854.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 137140229 is about 11710.6886646345. The cubic root of 137140229 is about 515.6895015679.

The spelling of 137140229 in words is "one hundred thirty-seven million, one hundred forty thousand, two hundred twenty-nine".