137417213 has 4 divisors (see below), whose sum is σ = 137510748. Its totient is φ = 137323680.

The previous prime is 137417173. The next prime is 137417221. The reversal of 137417213 is 312714731.

It is a happy number.

137417213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 102050404 + 35366809 = 10102^2 + 5947^2 .

It is a cyclic number.

It is not a de Polignac number, because 137417213 - 2¹⁸ = 137155069 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 (137417243) 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, 44528 + ... + 47513.

It is an arithmetic number, because the mean of its divisors is an integer number (34377687).

Almost surely, 2^137417213 is an apocalyptic number.

It is an amenable number.

137417213 is a deficient number, since it is larger than the sum of its proper divisors (93535).

137417213 is an equidigital number, since it uses as much as digits as its factorization.

137417213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93534.

The product of its digits is 3528, while the sum is 29.

The square root of 137417213 is about 11722.5088185081. The cubic root of 137417213 is about 516.0364498118.

The spelling of 137417213 in words is "one hundred thirty-seven million, four hundred seventeen thousand, two hundred thirteen".