1387501010 has 32 divisors (see below), whose sum is σ = 2879563392. Its totient is φ = 471502080.

The previous prime is 1387501009. The next prime is 1387501021. The reversal of 1387501010 is 101057831.

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, 79796 + ... + 95615.

It is an arithmetic number, because the mean of its divisors is an integer number (89986356).

Almost surely, 2^1387501010 is an apocalyptic number.

1387501010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1387501010 is an abundant number, since it is smaller than the sum of its proper divisors (1492062382).

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

1387501010 is a wasteful number, since it uses less digits than its factorization.

1387501010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175538.

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 1387501010 is about 37249.1746217282. The cubic root of 1387501010 is about 1115.3498228691.

Adding to 1387501010 its reverse (101057831), we get a palindrome (1488558841).

The spelling of 1387501010 in words is "one billion, three hundred eighty-seven million, five hundred one thousand, ten".