137502201 has 4 divisors (see below), whose sum is σ = 183336272. Its totient is φ = 91668132.

The previous prime is 137502191. The next prime is 137502217. The reversal of 137502201 is 102205731.

137502201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 137502201 - 2¹⁹ = 136977913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137500201) 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, 22917031 + ... + 22917036.

It is an arithmetic number, because the mean of its divisors is an integer number (45834068).

Almost surely, 2^137502201 is an apocalyptic number.

It is an amenable number.

137502201 is a deficient number, since it is larger than the sum of its proper divisors (45834071).

137502201 is an equidigital number, since it uses as much as digits as its factorization.

137502201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45834070.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 137502201 is about 11726.1332501383. The cubic root of 137502201 is about 516.1428117117.

Adding to 137502201 its reverse (102205731), we get a palindrome (239707932).

It can be divided in two parts, 13750 and 2201, that added together give a palindrome (15951).

The spelling of 137502201 in words is "one hundred thirty-seven million, five hundred two thousand, two hundred one".