137984386 has 8 divisors (see below), whose sum is σ = 211380480. Its totient is φ = 67524228.

The previous prime is 137984347. The next prime is 137984389. The reversal of 137984386 is 683489731.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (137984389) 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, 733866 + ... + 734053.

It is an arithmetic number, because the mean of its divisors is an integer number (26422560).

Almost surely, 2^137984386 is an apocalyptic number.

137984386 is a deficient number, since it is larger than the sum of its proper divisors (73396094).

137984386 is a wasteful number, since it uses less digits than its factorization.

137984386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467968.

The product of its digits is 870912, while the sum is 49.

The square root of 137984386 is about 11746.6755296978. The cubic root of 137984386 is about 516.7454347246.

The spelling of 137984386 in words is "one hundred thirty-seven million, nine hundred eighty-four thousand, three hundred eighty-six".