1387534103 has 4 divisors (see below), whose sum is σ = 1387609128. Its totient is φ = 1387459080.

The previous prime is 1387534091. The next prime is 1387534111. The reversal of 1387534103 is 3014357831.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1387534103 - 2¹⁰ = 1387533079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1387534303) 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, 12113 + ... + 54053.

It is an arithmetic number, because the mean of its divisors is an integer number (346902282).

Almost surely, 2^1387534103 is an apocalyptic number.

1387534103 is a deficient number, since it is larger than the sum of its proper divisors (75025).

1387534103 is an equidigital number, since it uses as much as digits as its factorization.

1387534103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75024.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 1387534103 is about 37249.6188302646. The cubic root of 1387534103 is about 1115.3586901247.

The spelling of 1387534103 in words is "one billion, three hundred eighty-seven million, five hundred thirty-four thousand, one hundred three".