81514114 has 8 divisors (see below), whose sum is σ = 133386768. Its totient is φ = 37051860.

The previous prime is 81514091. The next prime is 81514127. The reversal of 81514114 is 41141518.

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

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, 1852572 + ... + 1852615.

It is an arithmetic number, because the mean of its divisors is an integer number (16673346).

Almost surely, 2^81514114 is an apocalyptic number.

81514114 is a deficient number, since it is larger than the sum of its proper divisors (51872654).

81514114 is a wasteful number, since it uses less digits than its factorization.

81514114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3705200.

The product of its digits is 640, while the sum is 25.

The square root of 81514114 is about 9028.5167109553. The cubic root of 81514114 is about 433.5883494337.

The spelling of 81514114 in words is "eighty-one million, five hundred fourteen thousand, one hundred fourteen".