18135714007 has 4 divisors (see below), whose sum is σ = 18433020856. Its totient is φ = 17838407160.

The previous prime is 18135714001. The next prime is 18135714011. The reversal of 18135714007 is 70041753181.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18135714007 is a prime.

It is a super-3 number, since 3×18135714007³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18135714001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148653333 + ... + 148653454.

It is an arithmetic number, because the mean of its divisors is an integer number (4608255214).

Almost surely, 2^18135714007 is an apocalyptic number.

18135714007 is a deficient number, since it is larger than the sum of its proper divisors (297306849).

18135714007 is an equidigital number, since it uses as much as digits as its factorization.

18135714007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297306848.

The product of its (nonzero) digits is 23520, while the sum is 37.

It can be divided in two parts, 181357 and 14007, that added together give a square (195364 = 442²).

The spelling of 18135714007 in words is "eighteen billion, one hundred thirty-five million, seven hundred fourteen thousand, seven".