272131807 has 2 divisors, whose sum is σ = 272131808. Its totient is φ = 272131806.

The previous prime is 272131789. The next prime is 272131877. The reversal of 272131807 is 708131272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 272131807 - 2¹⁹ = 271607519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272131877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136065903 + 136065904.

It is an arithmetic number, because the mean of its divisors is an integer number (136065904).

Almost surely, 2^272131807 is an apocalyptic number.

272131807 is a deficient number, since it is larger than the sum of its proper divisors (1).

272131807 is an equidigital number, since it uses as much as digits as its factorization.

272131807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 272131807 is about 16496.4180051307. The cubic root of 272131807 is about 648.0270010786.

The spelling of 272131807 in words is "two hundred seventy-two million, one hundred thirty-one thousand, eight hundred seven".