137271373 has 4 divisors (see below), whose sum is σ = 137968380. Its totient is φ = 136574368.

The previous prime is 137271361. The next prime is 137271391. The reversal of 137271373 is 373172731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 373172731 = 83 ⋅4496057.

It can be written as a sum of positive squares in 2 ways, for example, as 74338884 + 62932489 = 8622^2 + 7933^2 .

It is a cyclic number.

It is not a de Polignac number, because 137271373 - 2¹⁷ = 137140301 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 (137271313) 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, 348208 + ... + 348601.

It is an arithmetic number, because the mean of its divisors is an integer number (34492095).

Almost surely, 2^137271373 is an apocalyptic number.

It is an amenable number.

137271373 is a deficient number, since it is larger than the sum of its proper divisors (697007).

137271373 is an equidigital number, since it uses as much as digits as its factorization.

137271373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697006.

The product of its digits is 18522, while the sum is 34.

The square root of 137271373 is about 11716.2866557626. The cubic root of 137271373 is about 515.8538298091.

The spelling of 137271373 in words is "one hundred thirty-seven million, two hundred seventy-one thousand, three hundred seventy-three".