137198503 has 16 divisors (see below), whose sum is σ = 152028576. Its totient is φ = 123027840.

The previous prime is 137198491. The next prime is 137198521. The reversal of 137198503 is 305891731.

It is a happy number.

It is not a de Polignac number, because 137198503 - 2¹³ = 137190311 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 (137198203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72793 + ... + 74653.

It is an arithmetic number, because the mean of its divisors is an integer number (9501786).

Almost surely, 2^137198503 is an apocalyptic number.

137198503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

137198503 is a deficient number, since it is larger than the sum of its proper divisors (14830073).

137198503 is a wasteful number, since it uses less digits than its factorization.

137198503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 137198503 is about 11713.1764692589. The cubic root of 137198503 is about 515.7625339541.

It can be divided in two parts, 13719 and 8503, that added together give a palindrome (22222).

The spelling of 137198503 in words is "one hundred thirty-seven million, one hundred ninety-eight thousand, five hundred three".