137670503 has 2 divisors, whose sum is σ = 137670504. Its totient is φ = 137670502.

The previous prime is 137670493. The next prime is 137670553. The reversal of 137670503 is 305076731.

It is a weak prime.

It is an emirp because it is prime and its reverse (305076731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137670503 - 2¹² = 137666407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137670503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137670553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68835251 + 68835252.

It is an arithmetic number, because the mean of its divisors is an integer number (68835252).

Almost surely, 2^137670503 is an apocalyptic number.

137670503 is a deficient number, since it is larger than the sum of its proper divisors (1).

137670503 is an equidigital number, since it uses as much as digits as its factorization.

137670503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 137670503 is about 11733.3074194790. The cubic root of 137670503 is about 516.3533112504.

The spelling of 137670503 in words is "one hundred thirty-seven million, six hundred seventy thousand, five hundred three".