137383445 has 8 divisors (see below), whose sum is σ = 167118936. Its totient is φ = 108400896.

The previous prime is 137383417. The next prime is 137383451. The reversal of 137383445 is 544383731.

It can be written as a sum of positive squares in 4 ways, for example, as 54081316 + 83302129 = 7354^2 + 9127^2 .

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 137383445 - 2⁶ = 137383381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137383399 and 137383408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187832 + ... + 188561.

It is an arithmetic number, because the mean of its divisors is an integer number (20889867).

Almost surely, 2^137383445 is an apocalyptic number.

It is an amenable number.

137383445 is a deficient number, since it is larger than the sum of its proper divisors (29735491).

137383445 is an equidigital number, since it uses as much as digits as its factorization.

137383445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376471.

The product of its digits is 120960, while the sum is 38.

The square root of 137383445 is about 11721.0684239962. The cubic root of 137383445 is about 515.9941772173.

The spelling of 137383445 in words is "one hundred thirty-seven million, three hundred eighty-three thousand, four hundred forty-five".