136898271 has 6 divisors (see below), whose sum is σ = 197741960. Its totient is φ = 91265508.

The previous prime is 136898243. The next prime is 136898273. The reversal of 136898271 is 172898631.

It is not a de Polignac number, because 136898271 - 2⁵ = 136898239 is a prime.

It is a super-2 number, since 2×136898271² = 37482273205578882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136898273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7605451 + ... + 7605468.

Almost surely, 2^136898271 is an apocalyptic number.

136898271 is a deficient number, since it is larger than the sum of its proper divisors (60843689).

136898271 is a wasteful number, since it uses less digits than its factorization.

136898271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15210925 (or 15210922 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 136898271 is about 11700.3534561995. The cubic root of 136898271 is about 515.3860441650.

The spelling of 136898271 in words is "one hundred thirty-six million, eight hundred ninety-eight thousand, two hundred seventy-one".