137505003 has 4 divisors (see below), whose sum is σ = 183340008. Its totient is φ = 91670000.

The previous prime is 137505001. The next prime is 137505029. The reversal of 137505003 is 300505731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 137505003 - 2¹ = 137505001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137505001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22917498 + ... + 22917503.

It is an arithmetic number, because the mean of its divisors is an integer number (45835002).

Almost surely, 2^137505003 is an apocalyptic number.

137505003 is a deficient number, since it is larger than the sum of its proper divisors (45835005).

137505003 is an equidigital number, since it uses as much as digits as its factorization.

137505003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45835004.

The product of its (nonzero) digits is 1575, while the sum is 24.

The square root of 137505003 is about 11726.2527262549. The cubic root of 137505003 is about 516.1463176491.

The spelling of 137505003 in words is "one hundred thirty-seven million, five hundred five thousand, three".