137225705 has 8 divisors (see below), whose sum is σ = 171830592. Its totient is φ = 105007408.

The previous prime is 137225701. The next prime is 137225707. The reversal of 137225705 is 507522731.

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 137225705 - 2² = 137225701 is a prime.

It is a super-2 number, since 2×137225705² = 37661788225494050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137225701) 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, 596519 + ... + 596748.

It is an arithmetic number, because the mean of its divisors is an integer number (21478824).

Almost surely, 2^137225705 is an apocalyptic number.

It is an amenable number.

137225705 is a deficient number, since it is larger than the sum of its proper divisors (34604887).

137225705 is a wasteful number, since it uses less digits than its factorization.

137225705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193295.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 137225705 is about 11714.3375826378. The cubic root of 137225705 is about 515.7966180125.

The spelling of 137225705 in words is "one hundred thirty-seven million, two hundred twenty-five thousand, seven hundred five".