137712286 has 4 divisors (see below), whose sum is σ = 206568432. Its totient is φ = 68856142.

The previous prime is 137712277. The next prime is 137712287. The reversal of 137712286 is 682217731.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137712287) 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 as a sum of consecutive naturals, namely, 34428070 + ... + 34428073.

It is an arithmetic number, because the mean of its divisors is an integer number (51642108).

Almost surely, 2^137712286 is an apocalyptic number.

137712286 is a deficient number, since it is larger than the sum of its proper divisors (68856146).

137712286 is an equidigital number, since it uses as much as digits as its factorization.

137712286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68856145.

The product of its digits is 28224, while the sum is 37.

The square root of 137712286 is about 11735.0878139024. The cubic root of 137712286 is about 516.4055437128.

Subtracting 137712286 from its reverse (682217731), we obtain a palindrome (544505445).

The spelling of 137712286 in words is "one hundred thirty-seven million, seven hundred twelve thousand, two hundred eighty-six".