1387512514 has 8 divisors (see below), whose sum is σ = 2112332688. Its totient is φ = 683401620.

The previous prime is 1387512509. The next prime is 1387512517. The reversal of 1387512514 is 4152157831.

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

It is not an unprimeable number, because it can be changed into a prime (1387512517) 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, 5177152 + ... + 5177419.

It is an arithmetic number, because the mean of its divisors is an integer number (264041586).

Almost surely, 2^1387512514 is an apocalyptic number.

1387512514 is a deficient number, since it is larger than the sum of its proper divisors (724820174).

1387512514 is a wasteful number, since it uses less digits than its factorization.

1387512514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10354640.

The product of its digits is 33600, while the sum is 37.

The square root of 1387512514 is about 37249.3290409371. The cubic root of 1387512514 is about 1115.3529053771.

The spelling of 1387512514 in words is "one billion, three hundred eighty-seven million, five hundred twelve thousand, five hundred fourteen".