137322317 has 8 divisors (see below), whose sum is σ = 149990880. Its totient is φ = 124684560.

The previous prime is 137322313. The next prime is 137322319. The reversal of 137322317 is 713223731.

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

It is not a de Polignac number, because 137322317 - 2² = 137322313 is a prime.

It is a super-3 number, since 3×137322317³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137322317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137322313) 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, 2183 + ... + 16715.

It is an arithmetic number, because the mean of its divisors is an integer number (18748860).

Almost surely, 2^137322317 is an apocalyptic number.

It is an amenable number.

137322317 is a deficient number, since it is larger than the sum of its proper divisors (12668563).

137322317 is a wasteful number, since it uses less digits than its factorization.

137322317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15403.

The product of its digits is 5292, while the sum is 29.

The square root of 137322317 is about 11718.4605217580. The cubic root of 137322317 is about 515.9176362840.

The spelling of 137322317 in words is "one hundred thirty-seven million, three hundred twenty-two thousand, three hundred seventeen".