137580213 has 4 divisors (see below), whose sum is σ = 183440288. Its totient is φ = 91720140.

The previous prime is 137580187. The next prime is 137580221. The reversal of 137580213 is 312085731.

137580213 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 137580213 - 2⁸ = 137579957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137580013) 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, 22930033 + ... + 22930038.

It is an arithmetic number, because the mean of its divisors is an integer number (45860072).

Almost surely, 2^137580213 is an apocalyptic number.

It is an amenable number.

137580213 is a deficient number, since it is larger than the sum of its proper divisors (45860075).

137580213 is an equidigital number, since it uses as much as digits as its factorization.

137580213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45860074.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 137580213 is about 11729.4591946944. The cubic root of 137580213 is about 516.2404046236.

The spelling of 137580213 in words is "one hundred thirty-seven million, five hundred eighty thousand, two hundred thirteen".