137706717 has 8 divisors (see below), whose sum is σ = 185933440. Its totient is φ = 90642240.

The previous prime is 137706713. The next prime is 137706721. The reversal of 137706717 is 717607731.

It is an interprime number because it is at equal distance from previous prime (137706713) and next prime (137706721).

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

It is not a de Polignac number, because 137706717 - 2² = 137706713 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137706713) 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, 290284 + ... + 290757.

It is an arithmetic number, because the mean of its divisors is an integer number (23241680).

Almost surely, 2^137706717 is an apocalyptic number.

It is an amenable number.

137706717 is a deficient number, since it is larger than the sum of its proper divisors (48226723).

137706717 is an equidigital number, since it uses as much as digits as its factorization.

137706717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581123.

The product of its (nonzero) digits is 43218, while the sum is 39.

The square root of 137706717 is about 11734.8505316429. The cubic root of 137706717 is about 516.3985825783.

The spelling of 137706717 in words is "one hundred thirty-seven million, seven hundred six thousand, seven hundred seventeen".