272139056 has 60 divisors (see below), whose sum is σ = 613572336. Its totient is φ = 114543360.

The previous prime is 272139053. The next prime is 272139061. The reversal of 272139056 is 650931272.

It is a super-2 number, since 2×272139056² = 148119331601142272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (272139053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 416426 + ... + 417078.

Almost surely, 2^272139056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272139056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306786168).

272139056 is an abundant number, since it is smaller than the sum of its proper divisors (341433280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

272139056 is an equidigital number, since it uses as much as digits as its factorization.

272139056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790 (or 723 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 272139056 is about 16496.6377180321. The cubic root of 272139056 is about 648.0327550379.

The spelling of 272139056 in words is "two hundred seventy-two million, one hundred thirty-nine thousand, fifty-six".