137406886 has 8 divisors (see below), whose sum is σ = 218234520. Its totient is φ = 64662048.

The previous prime is 137406851. The next prime is 137406889. The reversal of 137406886 is 688604731.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137406889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2020656 + ... + 2020723.

It is an arithmetic number, because the mean of its divisors is an integer number (27279315).

Almost surely, 2^137406886 is an apocalyptic number.

137406886 is a deficient number, since it is larger than the sum of its proper divisors (80827634).

137406886 is a wasteful number, since it uses less digits than its factorization.

137406886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4041398.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 137406886 is about 11722.0683328498. The cubic root of 137406886 is about 516.0235226542.

The spelling of 137406886 in words is "one hundred thirty-seven million, four hundred six thousand, eight hundred eighty-six".