1500139000 has 32 divisors (see below), whose sum is σ = 3510327600. Its totient is φ = 600055200.

The previous prime is 1500138967. The next prime is 1500139009. The reversal of 1500139000 is 9310051.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1500139009) 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 7 ways as a sum of consecutive naturals, for example, 749070 + ... + 751069.

Almost surely, 2^1500139000 is an apocalyptic number.

1500139000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1500139000 is an abundant number, since it is smaller than the sum of its proper divisors (2010188600).

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

1500139000 is a wasteful number, since it uses less digits than its factorization.

1500139000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500160 (or 1500146 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 1500139000 is about 38731.6279027877. The cubic root of 1500139000 is about 1144.7496004122.

Adding to 1500139000 its reverse (9310051), we get a palindrome (1509449051).

The spelling of 1500139000 in words is "one billion, five hundred million, one hundred thirty-nine thousand".