272893138 has 16 divisors (see below), whose sum is σ = 475487424. Its totient is φ = 115036560.

The previous prime is 272893111. The next prime is 272893147. The reversal of 272893138 is 831398272.

It is a junction number, because it is equal to n+sod(n) for n = 272893094 and 272893103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158920 + ... + 160627.

It is an arithmetic number, because the mean of its divisors is an integer number (29717964).

Almost surely, 2^272893138 is an apocalyptic number.

272893138 is a deficient number, since it is larger than the sum of its proper divisors (202594286).

272893138 is a wasteful number, since it uses less digits than its factorization.

272893138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319617.

The product of its digits is 145152, while the sum is 43.

The square root of 272893138 is about 16519.4775341111. The cubic root of 272893138 is about 648.6307571253.

The spelling of 272893138 in words is "two hundred seventy-two million, eight hundred ninety-three thousand, one hundred thirty-eight".