272973000138 has 16 divisors (see below), whose sum is σ = 551048300640. Its totient is φ = 90140616656.

The previous prime is 272973000127. The next prime is 272973000143. The reversal of 272973000138 is 831000379272.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 272973000138.

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, 212595153 + ... + 212596436.

It is an arithmetic number, because the mean of its divisors is an integer number (34440518790).

Almost surely, 2^272973000138 is an apocalyptic number.

272973000138 is an abundant number, since it is smaller than the sum of its proper divisors (278075300502).

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

272973000138 is a wasteful number, since it uses less digits than its factorization.

272973000138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425191701.

The product of its (nonzero) digits is 127008, while the sum is 42.

The spelling of 272973000138 in words is "two hundred seventy-two billion, nine hundred seventy-three million, one hundred thirty-eight", and thus it is an aban number.