137231386 has 16 divisors (see below), whose sum is σ = 217744704. Its totient is φ = 64731744.

The previous prime is 137231383. The next prime is 137231401. The reversal of 137231386 is 683132731.

137231386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (137231383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17076 + ... + 23791.

It is an arithmetic number, because the mean of its divisors is an integer number (13609044).

Almost surely, 2^137231386 is an apocalyptic number.

137231386 is a deficient number, since it is larger than the sum of its proper divisors (80513318).

137231386 is a wasteful number, since it uses less digits than its factorization.

137231386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40965.

The product of its digits is 18144, while the sum is 34.

The square root of 137231386 is about 11714.5800607619. The cubic root of 137231386 is about 515.8037357269.

The spelling of 137231386 in words is "one hundred thirty-seven million, two hundred thirty-one thousand, three hundred eighty-six".