81096130 has 16 divisors (see below), whose sum is σ = 148152960. Its totient is φ = 31954032.

The previous prime is 81096121. The next prime is 81096131. The reversal of 81096130 is 3169018.

It is a happy number.

It is a zygodrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (81096131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59850 + ... + 61189.

It is an arithmetic number, because the mean of its divisors is an integer number (9259560).

Almost surely, 2^81096130 is an apocalyptic number.

81096130 is a deficient number, since it is larger than the sum of its proper divisors (67056830).

81096130 is a wasteful number, since it uses less digits than its factorization.

81096130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121113.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 81096130 is about 9005.3389719655. The cubic root of 81096130 is about 432.8459681792.

The spelling of 81096130 in words is "eighty-one million, ninety-six thousand, one hundred thirty".