272157939 has 6 divisors (see below), whose sum is σ = 393117036. Its totient is φ = 181438620.

The previous prime is 272157937. The next prime is 272157961. The reversal of 272157939 is 939751272.

272157939 is a `hidden beast` number, since 2 + 72 + 1 + 579 + 3 + 9 = 666.

It is not a de Polignac number, because 272157939 - 2¹ = 272157937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 272157894 and 272157903.

It is not an unprimeable number, because it can be changed into a prime (272157937) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15119877 + ... + 15119894.

It is an arithmetic number, because the mean of its divisors is an integer number (65519506).

Almost surely, 2^272157939 is an apocalyptic number.

272157939 is a deficient number, since it is larger than the sum of its proper divisors (120959097).

272157939 is a wasteful number, since it uses less digits than its factorization.

272157939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30239777 (or 30239774 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 272157939 is about 16497.2100368517. The cubic root of 272157939 is about 648.0477431101.

The spelling of 272157939 in words is "two hundred seventy-two million, one hundred fifty-seven thousand, nine hundred thirty-nine".