272139499 has 4 divisors (see below), whose sum is σ = 273151440. Its totient is φ = 271127560.

The previous prime is 272139479. The next prime is 272139533. The reversal of 272139499 is 994931272.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 272139499 - 2⁵ = 272139467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272139409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505567 + ... + 506104.

It is an arithmetic number, because the mean of its divisors is an integer number (68287860).

Almost surely, 2^272139499 is an apocalyptic number.

272139499 is a deficient number, since it is larger than the sum of its proper divisors (1011941).

272139499 is a wasteful number, since it uses less digits than its factorization.

272139499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011940.

The product of its digits is 244944, while the sum is 46.

The square root of 272139499 is about 16496.6511450052. The cubic root of 272139499 is about 648.0331066698.

The spelling of 272139499 in words is "two hundred seventy-two million, one hundred thirty-nine thousand, four hundred ninety-nine".