81374074114 has 32 divisors (see below), whose sum is σ = 136803556800. Its totient is φ = 36075502080.

The previous prime is 81374074099. The next prime is 81374074121. The reversal of 81374074114 is 41147047318.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236227 + ... + 467494.

It is an arithmetic number, because the mean of its divisors is an integer number (4275111150).

Almost surely, 2^81374074114 is an apocalyptic number.

81374074114 is a deficient number, since it is larger than the sum of its proper divisors (55429482686).

81374074114 is a wasteful number, since it uses less digits than its factorization.

81374074114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703938.

The product of its (nonzero) digits is 75264, while the sum is 40.

The spelling of 81374074114 in words is "eighty-one billion, three hundred seventy-four million, seventy-four thousand, one hundred fourteen".