272138619 has 16 divisors (see below), whose sum is σ = 366193440. Its totient is φ = 179761920.

The previous prime is 272138611. The next prime is 272138627. The reversal of 272138619 is 916831272.

It is an interprime number because it is at equal distance from previous prime (272138611) and next prime (272138627).

It is not a de Polignac number, because 272138619 - 2³ = 272138611 is a prime.

It is a super-2 number, since 2×272138619² = 148118855902454322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (272138611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244837 + ... + 245945.

It is an arithmetic number, because the mean of its divisors is an integer number (22887090).

Almost surely, 2^272138619 is an apocalyptic number.

272138619 is a deficient number, since it is larger than the sum of its proper divisors (94054821).

272138619 is a wasteful number, since it uses less digits than its factorization.

272138619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790.

The product of its digits is 36288, while the sum is 39.

The square root of 272138619 is about 16496.6244729035. The cubic root of 272138619 is about 648.0324081681.

The spelling of 272138619 in words is "two hundred seventy-two million, one hundred thirty-eight thousand, six hundred nineteen".