1500140 has 24 divisors (see below), whose sum is σ = 3184272. Its totient is φ = 593600.

The previous prime is 1500139. The next prime is 1500143. The reversal of 1500140 is 410051.

It is not an unprimeable number, because it can be changed into a prime (1500143) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1790 + ... + 2490.

It is an arithmetic number, because the mean of its divisors is an integer number (132678).

2^1500140 is an apocalyptic number.

1500140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1500140 is an abundant number, since it is smaller than the sum of its proper divisors (1684132).

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

1500140 is a wasteful number, since it uses less digits than its factorization.

1500140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817 (or 815 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 1500140 is about 1224.8020248187. The cubic root of 1500140 is about 114.4749854777.

Adding to 1500140 its reverse (410051), we get a palindrome (1910191).

The spelling of 1500140 in words is "one million, five hundred thousand, one hundred forty".