1387050004 has 6 divisors (see below), whose sum is σ = 2427337514. Its totient is φ = 693525000.

The previous prime is 1387049999. The next prime is 1387050031. The reversal of 1387050004 is 4000507831.

It can be written as a sum of positive squares in only one way, i.e., 1355712400 + 31337604 = 36820^2 + 5598^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173381247 + ... + 173381254.

Almost surely, 2^1387050004 is an apocalyptic number.

It is an amenable number.

1387050004 is a deficient number, since it is larger than the sum of its proper divisors (1040287510).

1387050004 is a wasteful number, since it uses less digits than its factorization.

1387050004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346762505 (or 346762503 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 1387050004 is about 37243.1202237407. The cubic root of 1387050004 is about 1115.2289619420.

Adding to 1387050004 its reverse (4000507831), we get a palindrome (5387557835).

The spelling of 1387050004 in words is "one billion, three hundred eighty-seven million, fifty thousand, four".