137713705 has 8 divisors (see below), whose sum is σ = 167113800. Its totient is φ = 108932736.

The previous prime is 137713703. The next prime is 137713727. The reversal of 137713705 is 507317731.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29387241 + 108326464 = 5421^2 + 10408^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 137713705 - 2¹ = 137713703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137713703) 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 7 ways as a sum of consecutive naturals, for example, 154290 + ... + 155179.

It is an arithmetic number, because the mean of its divisors is an integer number (20889225).

Almost surely, 2^137713705 is an apocalyptic number.

It is an amenable number.

137713705 is a deficient number, since it is larger than the sum of its proper divisors (29400095).

137713705 is an equidigital number, since it uses as much as digits as its factorization.

137713705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309563.

The product of its (nonzero) digits is 15435, while the sum is 34.

The square root of 137713705 is about 11735.1482734561. The cubic root of 137713705 is about 516.4073174034.

The spelling of 137713705 in words is "one hundred thirty-seven million, seven hundred thirteen thousand, seven hundred five".