1387627513 has 16 divisors (see below), whose sum is σ = 1528433280. Its totient is φ = 1253919744.

The previous prime is 1387627481. The next prime is 1387627531. The reversal of 1387627513 is 3157267831.

It is not a de Polignac number, because 1387627513 - 2⁵ = 1387627481 is a prime.

It is a super-2 number, since 2×1387627513² = 3851020229669130338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1387627513.

It is not an unprimeable number, because it can be changed into a prime (1387621513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158745 + ... + 167257.

It is an arithmetic number, because the mean of its divisors is an integer number (95527080).

Almost surely, 2^1387627513 is an apocalyptic number.

It is an amenable number.

1387627513 is a deficient number, since it is larger than the sum of its proper divisors (140805767).

1387627513 is a wasteful number, since it uses less digits than its factorization.

1387627513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8928.

The product of its digits is 211680, while the sum is 43.

The square root of 1387627513 is about 37250.8726474965. The cubic root of 1387627513 is about 1115.3837185347.

The spelling of 1387627513 in words is "one billion, three hundred eighty-seven million, six hundred twenty-seven thousand, five hundred thirteen".