272493138 has 16 divisors (see below), whose sum is σ = 545155776. Its totient is φ = 90802800.

The previous prime is 272493127. The next prime is 272493139. The reversal of 272493138 is 831394272.

It is a junction number, because it is equal to n+sod(n) for n = 272493096 and 272493105.

It is not an unprimeable number, because it can be changed into a prime (272493139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25120 + ... + 34292.

It is an arithmetic number, because the mean of its divisors is an integer number (34072236).

Almost surely, 2^272493138 is an apocalyptic number.

272493138 is an abundant number, since it is smaller than the sum of its proper divisors (272662638).

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

272493138 is a wasteful number, since it uses less digits than its factorization.

272493138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14129.

The product of its digits is 72576, while the sum is 39.

The square root of 272493138 is about 16507.3661739237. The cubic root of 272493138 is about 648.3136865260.

The spelling of 272493138 in words is "two hundred seventy-two million, four hundred ninety-three thousand, one hundred thirty-eight".