137326445 has 16 divisors (see below), whose sum is σ = 175208832. Its totient is φ = 103097280.

The previous prime is 137326439. The next prime is 137326457. The reversal of 137326445 is 544623731.

137326445 = 451² + 452² + ... + 795².

It is not a de Polignac number, because 137326445 - 2⁶ = 137326381 is a prime.

It is a super-3 number, since 3×137326445³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5171 + ... + 17360.

It is an arithmetic number, because the mean of its divisors is an integer number (10950552).

Almost surely, 2^137326445 is an apocalyptic number.

It is an amenable number.

137326445 is a deficient number, since it is larger than the sum of its proper divisors (37882387).

137326445 is a wasteful number, since it uses less digits than its factorization.

137326445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22612.

The product of its digits is 60480, while the sum is 35.

The square root of 137326445 is about 11718.6366527852. The cubic root of 137326445 is about 515.9228058410.

The spelling of 137326445 in words is "one hundred thirty-seven million, three hundred twenty-six thousand, four hundred forty-five".