1387501068 has 48 divisors (see below), whose sum is σ = 3411072000. Its totient is φ = 437750208.

The previous prime is 1387501039. The next prime is 1387501103. The reversal of 1387501068 is 8601057831.

It is a super-2 number, since 2×1387501068² = 3850318427402281248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325978 + ... + 330206.

It is an arithmetic number, because the mean of its divisors is an integer number (71064000).

Almost surely, 2^1387501068 is an apocalyptic number.

It is an amenable number.

1387501068 is an abundant number, since it is smaller than the sum of its proper divisors (2023570932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1387501068 is a wasteful number, since it uses less digits than its factorization.

1387501068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5694 (or 5692 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 1387501068 is about 37249.1754002689. The cubic root of 1387501068 is about 1115.3498384103.

Adding to 1387501068 its reverse (8601057831), we get a palindrome (9988558899).

The spelling of 1387501068 in words is "one billion, three hundred eighty-seven million, five hundred one thousand, sixty-eight".