14115131478 has 48 divisors (see below), whose sum is σ = 35524753056. Its totient is φ = 3966779520.

The previous prime is 14115131473. The next prime is 14115131479. The reversal of 14115131478 is 87413151141.

14115131478 is a `hidden beast` number, since 1 + 4 + 1 + 151 + 31 + 478 = 666.

14115131478 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14115131473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 910551 + ... + 925922.

It is an arithmetic number, because the mean of its divisors is an integer number (740099022).

Almost surely, 2^14115131478 is an apocalyptic number.

14115131478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

14115131478 is an abundant number, since it is smaller than the sum of its proper divisors (21409621578).

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

14115131478 is a wasteful number, since it uses less digits than its factorization.

14115131478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836549 (or 1836546 counting only the distinct ones).

The product of its digits is 13440, while the sum is 36.

The spelling of 14115131478 in words is "fourteen billion, one hundred fifteen million, one hundred thirty-one thousand, four hundred seventy-eight".