137742213 has 8 divisors (see below), whose sum is σ = 209892928. Its totient is φ = 78709824.

The previous prime is 137742179. The next prime is 137742217. The reversal of 137742213 is 312247731.

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

It is not a de Polignac number, because 137742213 - 2⁶ = 137742149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137742217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3279556 + ... + 3279597.

It is an arithmetic number, because the mean of its divisors is an integer number (26236616).

Almost surely, 2^137742213 is an apocalyptic number.

It is an amenable number.

137742213 is a deficient number, since it is larger than the sum of its proper divisors (72150715).

137742213 is an equidigital number, since it uses as much as digits as its factorization.

137742213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6559163.

The product of its digits is 7056, while the sum is 30.

The square root of 137742213 is about 11736.3628522639. The cubic root of 137742213 is about 516.4429486285.

Adding to 137742213 its reverse (312247731), we get a palindrome (449989944).

The spelling of 137742213 in words is "one hundred thirty-seven million, seven hundred forty-two thousand, two hundred thirteen".