104140512 has 192 divisors, whose sum is σ = 353687040. Its totient is φ = 29196288.

The previous prime is 104140499. The next prime is 104140513. The reversal of 104140512 is 215041401.

104140512 is a `hidden beast` number, since 10 + 4 + 140 + 512 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104140513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 405088 + ... + 405344.

It is an arithmetic number, because the mean of its divisors is an integer number (1842120).

Almost surely, 2^104140512 is an apocalyptic number.

104140512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104140512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176843520).

104140512 is an abundant number, since it is smaller than the sum of its proper divisors (249546528).

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

104140512 is a wasteful number, since it uses less digits than its factorization.

104140512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 104140512 is about 10204.9258694025. The cubic root of 104140512 is about 470.4786311703.

Adding to 104140512 its reverse (215041401), we get a palindrome (319181913).

The spelling of 104140512 in words is "one hundred four million, one hundred forty thousand, five hundred twelve".