137892686 has 8 divisors (see below), whose sum is σ = 206895384. Its totient is φ = 68927560.

The previous prime is 137892653. The next prime is 137892691. The reversal of 137892686 is 686298731.

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

It is a congruent number.

It is an unprimeable number.

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, 3116 + ... + 16896.

It is an arithmetic number, because the mean of its divisors is an integer number (25861923).

Almost surely, 2^137892686 is an apocalyptic number.

137892686 is a deficient number, since it is larger than the sum of its proper divisors (69002698).

137892686 is a wasteful number, since it uses less digits than its factorization.

137892686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18786.

The product of its digits is 870912, while the sum is 50.

The square root of 137892686 is about 11742.7716489762. The cubic root of 137892686 is about 516.6309385399.

The spelling of 137892686 in words is "one hundred thirty-seven million, eight hundred ninety-two thousand, six hundred eighty-six".