81265000214 has 8 divisors (see below), whose sum is σ = 122715604800. Its totient is φ = 40359798616.

The previous prime is 81265000207. The next prime is 81265000253. The reversal of 81265000214 is 41200056218.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136350374 + ... + 136350969.

It is an arithmetic number, because the mean of its divisors is an integer number (15339450600).

Almost surely, 2^81265000214 is an apocalyptic number.

81265000214 is a deficient number, since it is larger than the sum of its proper divisors (41450604586).

81265000214 is a wasteful number, since it uses less digits than its factorization.

81265000214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272701494.

The product of its (nonzero) digits is 3840, while the sum is 29.

The spelling of 81265000214 in words is "eighty-one billion, two hundred sixty-five million, two hundred fourteen", and thus it is an aban number.