272135397 has 4 divisors (see below), whose sum is σ = 362847200. Its totient is φ = 181423596.

The previous prime is 272135393. The next prime is 272135411. The reversal of 272135397 is 793531272.

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 272135397 - 2² = 272135393 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 (272135393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45355897 + ... + 45355902.

It is an arithmetic number, because the mean of its divisors is an integer number (90711800).

Almost surely, 2^272135397 is an apocalyptic number.

It is an amenable number.

272135397 is a deficient number, since it is larger than the sum of its proper divisors (90711803).

272135397 is an equidigital number, since it uses as much as digits as its factorization.

272135397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90711802.

The product of its digits is 79380, while the sum is 39.

The square root of 272135397 is about 16496.5268162726. The cubic root of 272135397 is about 648.0298506863.

The spelling of 272135397 in words is "two hundred seventy-two million, one hundred thirty-five thousand, three hundred ninety-seven".