14788209138 has 32 divisors (see below), whose sum is σ = 30353212032. Its totient is φ = 4801507200.

The previous prime is 14788209131. The next prime is 14788209179. The reversal of 14788209138 is 83190288741.

It is a super-2 number, since 2×14788209138² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14788209131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158443 + ... + 233838.

It is an arithmetic number, because the mean of its divisors is an integer number (948537876).

Almost surely, 2^14788209138 is an apocalyptic number.

14788209138 is an abundant number, since it is smaller than the sum of its proper divisors (15565002894).

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

14788209138 is a wasteful number, since it uses less digits than its factorization.

14788209138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392450.

The product of its (nonzero) digits is 774144, while the sum is 51.

The spelling of 14788209138 in words is "fourteen billion, seven hundred eighty-eight million, two hundred nine thousand, one hundred thirty-eight".