14001387538 has 8 divisors (see below), whose sum is σ = 21002763888. Its totient is φ = 7000466244.

The previous prime is 14001387481. The next prime is 14001387539. The reversal of 14001387538 is 83578310041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 14001387538.

It is not an unprimeable number, because it can be changed into a prime (14001387539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22056 + ... + 168787.

It is an arithmetic number, because the mean of its divisors is an integer number (2625345486).

Almost surely, 2^14001387538 is an apocalyptic number.

14001387538 is a deficient number, since it is larger than the sum of its proper divisors (7001376350).

14001387538 is a wasteful number, since it uses less digits than its factorization.

14001387538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227528.

The product of its (nonzero) digits is 80640, while the sum is 40.

Adding to 14001387538 its reverse (83578310041), we get a palindrome (97579697579).

The spelling of 14001387538 in words is "fourteen billion, one million, three hundred eighty-seven thousand, five hundred thirty-eight".