1387652750014 has 4 divisors (see below), whose sum is σ = 2081479125024. Its totient is φ = 693826375006.

The previous prime is 1387652749979. The next prime is 1387652750063. The reversal of 1387652750014 is 4100572567831.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1387652750014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346913187502 + ... + 346913187505.

It is an arithmetic number, because the mean of its divisors is an integer number (520369781256).

Almost surely, 2^{1387652750014} is an apocalyptic number.

1387652750014 is a deficient number, since it is larger than the sum of its proper divisors (693826375010).

1387652750014 is an equidigital number, since it uses as much as digits as its factorization.

1387652750014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693826375009.

The product of its (nonzero) digits is 1411200, while the sum is 49.

It can be divided in two parts, 1387 and 652750014, that added together give a square (652751401 = 25549²).

The spelling of 1387652750014 in words is "one trillion, three hundred eighty-seven billion, six hundred fifty-two million, seven hundred fifty thousand, fourteen".