137002045 has 8 divisors (see below), whose sum is σ = 164465496. Its totient is φ = 109559616.

The previous prime is 137002043. The next prime is 137002049. The reversal of 137002045 is 540200731.

137002045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7634169 + 129367876 = 2763^2 + 11374^2 .

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 137002045 - 2¹ = 137002043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137002043) 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, 21219 + ... + 26911.

It is an arithmetic number, because the mean of its divisors is an integer number (20558187).

Almost surely, 2^137002045 is an apocalyptic number.

It is an amenable number.

137002045 is a deficient number, since it is larger than the sum of its proper divisors (27463451).

137002045 is an equidigital number, since it uses as much as digits as its factorization.

137002045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10511.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 137002045 is about 11704.7872684641. The cubic root of 137002045 is about 515.5162385603.

Adding to 137002045 its reverse (540200731), we get a palindrome (677202776).

The spelling of 137002045 in words is "one hundred thirty-seven million, two thousand, forty-five".